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commonly used plastics injection molding conditions

Date: 2019-11-25 03:40 Views: 3243 Source: Internet

raw materials in full 名英文 full molding conditions ABS propylene 晴- butadiene - styrene polymer Acrylonitrile - Butadene - Styrene依照 flow property 选定适当之浇道 and gate. for gate selection 适当熔 combined 状态. due to high pressure formed 形, shrink must in 2° above. formed shrinkage rate must in 0.5% left right. used for product, its precautions lower: (1) material tube/pipe temperature degree high, 约220℃~250℃ (2) injection shot temperature degree slow (use add pressure method), injection shot pressure low; (3) can use agent; (4) can has shrinkage lower and weld lines flow marks; (5) formed product surface can has 创痕. add hot temperature degree 180~290℃, injection molding parts mold temperature degree 50~80℃, material tube/pipe temperature degree 200~230℃, material temperature degree 200~240℃, injection shot pressure 700~1500kg/cm², most low as temperature degree 260℃. use hot drying machine, drying temperature degree is 80~100℃, 需时2~4 small 时(0.3% below/following ), material tube/pipe temperature degree 第一段 is 220~240℃; 第二段 is 210~240℃; 第三段 is 180~230℃; 第四段 is 150~180℃; injection molding parts mold surface temperature degree 50~90℃, injection shot pressure 500~2100kg/cm². temperature degree setting: 射嘴203~295℃, front 段220~295℃, in 段210~290℃, rear 段180~210℃; screw speed 70~150rpm, injection molding parts mold temperature degree 10~80℃, holding pressure 30~60%, back pressure 100~250kg/cm². density 1.04~1.06g/cc, deformation temperature degree 82~122℃, molding shrinkage 0.4~0.8%, specific gravity 1.0~1.2, 线膨胀系数0.00006~0.00013/℃, molding shrinkage 0.3~0.8%, heat deflection temperature (HDT) 66~107℃(88~113℃). AS(SAN) propylene 晴- styrene polymer Styrene-Acrylonitrile formed product has 钵裂之虞者, attention/notes formed product design. 特殊情况 use 1° above shrink 倾斜, attention/notes injection molding parts mold has low separation. formed shrinkage rate is 0.45% left right, add hot temperature degree 170~310℃, use hot drying machine, drying time 2~3 small 时(0.1% below/following ), drying temperature degree 80~100℃, material tube/pipe temperature degree 180~290℃ temperature degree setting: 射嘴205~240℃, front 段190~235℃, in 段180~230℃, rear 段180~210℃; screw speed 70~150rpm, injection molding parts mold temperature degree 35~80℃, injection shot pressure 700~2300kg/cm², holding pressure 30~60%, back pressure 100~200kg/cm². 线膨胀系数0.00006~0.00008/℃, molding shrinkage 0.2~0.7%, heat deflection temperature (HDT) 91~93℃(88~99℃), 玻璃转移 temperature degree 125℃, 传导系数0.0003cal.cm.s.sm/℃, density 1.06~1.08g/cm³, resistant strong/high degree 650~800kgf/cm², tensile rate 2~3%, elastic property 系数32000~37000 kgf/cm², 2.1~3.2kgf.cm/cm, hardness M80, transparent, water property 0.2~0.3%. CA醋 acid fiber 素Cellulose Acetate材 material must drying, drying temperature degree 75~80℃, drying time 2~6 small 时, specific gravity 1.29. formed shrinkage rate is 0.5% left right. add hot temperature degree 170~265℃, injection molding parts mold temperature degree 20~80℃. CAB醋 acid acid fiber 素Cellulose Acetate Butyionate add hot temperature degree 170~265℃, injection molding parts mold temperature degree 20~80℃. drying temperature degree 75~80℃, drying time 2~6 small 时. CP丙 acid fiber 素Cellulose Propionate add hot temperature degree 170~265℃, injection molding parts mold temperature degree 20~80℃. EVA ethylene-vinyl acetate copolymer (EVA) (橡皮胶)Ethylene Vinyl Acetate Copolyn temperature degree setting: 射嘴185℃, front 段166℃, in 段160℃, rear 段150℃; screw speed most large, injection molding parts mold temperature degree 35~45℃, back pressure 10kg. material tube/pipe temperature degree 150~180℃, 射嘴150℃, 第一段150℃, 第二段140℃, 第三段120℃, mold temperature 30~40℃, injection shot pressure 600~800kg/cm², formed shrinkage rate 0.7~2%, drying temperature degree 40~50℃, drying time 2~4 small 时. FR-PET strong/high terephthalic acid ester Polybutylene Terephthalate UL long heat resistant 140℃, heat deflection temperature (HDT) 达225℃. crystallization speed rate relatively slow, drying and processing conditions requirements 严苛. drying: 140℃3 small or 120℃5~8 small 时. injection shot temperature degree: 235℃~250℃ mold temperature: 40℃~80℃. HDPE high density polyethylene (PE) High Density Polyethylene temperature degree setting: 射嘴210℃, front 段200℃, in 段200℃, rear 段195℃; screw speed 140rpm, back pressure 15kg. 线膨胀系数0.00010~0.00013/℃, molding shrinkage 1.2~5.0 %, specific gravity 0.93~0.97 heat deflection temperature (HDT) 43~49℃(60~82℃). material tube/pipe temperature degree 160~310℃, 射嘴190℃, 第一段190℃, 第二段180℃, 第三段160℃, mold temperature 10~70℃, injection shot pressure 300~1400kg/cm², formed shrinkage rate 1.5~5%. HIPS high heavy polystyrene (PS) (不碎胶, high impact hard 胶, resistant impact polystyrene (PS))High Impact polystyrene temperature degree setting: 射嘴220~240℃, front 段210~230℃, in 段200~230℃, rear 段190~215℃; screw speed 135~215rpm, injection molding parts mold temperature degree 25℃, back pressure 5-10kg specific gravity 1.05g/c.c.. 线膨胀系数0.000034~0.00021/℃, molding shrinkage 0.2~0.6%, heat deflection temperature (HDT) 96℃. LCP Ⅰ type liquid polymer/macromolecule Ⅰ type Liquid Crystal Polymer Type Ⅰ density 1.35~1.45g/cc, deformation temperature degree 198~310℃, molding shrinkage 0.1~1.4%. solid speed degree fast, resin temperature degree 390℃, injection molding parts mold temperature degree 120℃, injection shot pressure 400kg/cm², injection shot speed degree fast, formed time short, drying 170℃, 需时3 small 时, glass fiber strong/high 化85. LCP Ⅱ type liquid polymer/macromolecule Ⅱ type Liquid Crystal Polymer TypeⅡ density 1.35~1.45g/cc, deformation temperature degree 198~310℃, molding shrinkage 0.1~1.0%. solid speed degree fast, resin temperature degree 300℃, injection molding parts mold temperature degree 100℃, injection shot pressure 300kg/cm², injection shot speed degree fast, formed time short, drying 150℃, 需时4 small above, glass fiber strong/high 化170, flow property 210. LCP Ⅲ type liquid polymer/macromolecule Ⅲ type Liquid Crystal Polymer Type Ⅲ density 1.35~1.45g/cc, deformation temperature degree 198~310℃, molding shrinkage 0.1~1.0%. solid speed degree fast, resin temperature degree 260℃, injection molding parts mold temperature degree 100℃, injection shot pressure 300kg/cm², injection shot speed degree fast, formed time short, drying 140℃, 需时3 small 时, glass fiber strong/high 化230. LDPE low density polyethylene (PE) (soft 胶, material, material, bottle material)Low Density Polyethylene temperature degree setting: 射嘴140~190℃, front 段140~200℃, in 段135~195℃, rear 段130~180℃; screw speed 210~220rpm, injection molding parts mold temperature degree 10~70℃, material tube/pipe temperature degree 150~310℃, back pressure 5-10kg, mold temperature 30~50℃, injection shot pressure 360~500kg/cm². 线膨胀系数0.00010~0.00020/℃, molding shrinkage 1.5~5.0%, specific gravity 0.91~0.93, heat deflection temperature (HDT) (38~49℃). PA poly amine (nylon)Polyamide (Nylon) injection shot temperature degree and drying temperature degree must high; injection shot pressure and holding pressure need high and long, need high speed injection 公模, has gas 通道, 以免胶 material 烧焦; back pressure 50~150kg/cm². plastics in drying degree for can 放入熔胶筒 inner, belt/tape water very strong/high easy 于卡住 in add material 段 杆槽里, formed material difficult phenomenon. formed 形时, in 射嘴处 most easy cooling, in cooling increase large injection shot pressure as, easy make 止逆阀破裂, therefore 射嘴处之 temperature degree control must 适当. is anti plastics add material injection molding parts mold, use has control property 射嘴. in use its it plastics injection shot 时, attention/notes nylon add hot temperature degree is 270℃ above, generally material add hot temperature degree in 200℃ left right 即行运 as, therefore must add hot melt 胶筒至 nylon add hot temperature degree rear again as, easy make screw 之止逆阀 and separation 胶头折断. must attention/notes molding methods can generate good 效果. is anti formed waste 边, must use precision injection molding parts mold. use industrial products injection molding parts mold, temperature degree rise high must attention/notes formed material crystallization 化. formed product design must anti 止凹陷, dimensions property. formed shrinkage rate is 1.5~2.5% left right. nylon 6 (PA6)之 add hot temperature degree 220~300℃, injection molding parts mold temperature degree 100~160℃, material tube/pipe temperature degree 200~260℃, material temperature degree 220~300℃, injection shot pressure 700~2000kg/cm², most low as temperature degree 225℃, melting point temperature degree 215℃, molding temperature degree 10~300℃, drying temperature degree is 75~100℃, 需时2~6 small 时, use remove wet drying machine, injection shot pressure 750~2000kg/cm2, material tube/pipe temperature degree 第一段 is 230℃; 第二段 is 230℃; 第三段 is 220℃; 第四段 is 210℃; injection molding parts mold surface temperature degree 25~70℃. 线膨胀系数0.000083/℃, molding shrinkage 0.6~2.1%, specific gravity 1.1~1.4 heat deflection temperature (HDT) 67~70℃(149~185℃). nylon 66 (PA66)之 add hot temperature degree 250~380℃, injection molding parts mold temperature degree 30~100℃, material tube/pipe temperature degree 240~300℃, material temperature degree 250~310℃, injection shot pressure 600~2100kg/cm², most low as temperature degree 260℃, melting point temperature degree 215℃, molding temperature degree 260~320℃, drying temperature degree 80~90℃, must 时3~6 small 时, use remove wet drying machine, 线膨胀系数0.00008~0.00013/℃, molding shrinkage 1.3~2.4%, specific gravity 1.1~1.4, heat deflection temperature (HDT) 66~86℃. temperature degree setting: 射嘴235~265℃, front 段235~245℃, in 段210~240℃, rear 段195~230℃; screw speed 100~105rpm, injection molding parts mold temperature degree 35~40℃, back pressure 5-10kg. density 0.94~1.14g/cc, deformation temperature degree 35~121℃, molding shrinkage 0.7~2.5%. PAR poly ester Polyarylate, U-Polymer density 1.17~1.31g/cc, deformation temperature degree 95~175℃, molding shrinkage 0.8~1.0%. 玻璃转移点190℃, solid speed degree fast, resin temperature degree 370℃, injection molding parts mold temperature degree 130℃, injection shot pressure 1000kg/cm², injection shot speed degree fast, formed time 普通, drying 140℃, 需时6 small 时, glass fiber strong/high 化35, flow property 50. PBT saturated and polyester (hot can property polyester)Polybuzylene Terephthalate熔胶筒 temperature degree control in 230~270℃, mold temperature setting in 40℃~90℃. gloss good surface 时, rise temperature, necessary 时需进行充 separation drying. injection shot pressure in 500~1300kg/m². temperature degree setting: 射嘴250℃, front 段245℃, in 段235℃, rear 段230℃; screw speed 80rpm, injection molding parts mold temperature degree 40~120℃, back pressure 10kg, material tube/pipe temperature degree 230~270℃, injection shot pressure 300~1000kg/cm², drying temperature degree 100~140℃, 需时2~8 small 时. density 1.29~1.50g/cc, deformation temperature degree 50~110℃, molding shrinkage 1.3~2.4%, specific gravity 1.3~1.6. PC polycarbonate (PC) resin (poly aldehyde acid ester, anti elastic 胶)Polycarbonate injection shot pressure large, tube/pipe inner temperature degree high or time 久时, easy hot separation understanding, color and reduce material property, must attention/notes mold temperature 以85℃~120℃ is 准. for thick formed product especially easy molding, formed product easy 生残留应 force, formed day rear 破裂, therefore use powder silicon as agent, use liquid 状离模 agent. formed must high temperature and high pressure, must use screw formed 形梭. material use front as drying. gate, runner design has relatively small flow retardant resistant. formed product design has 近接之肉 thick, has metal parts 镶嵌. again 者, shrink must in 2° above. molding shrinkage 0.4~0.7%, specific gravity 1.2~1.5. add hot temperature degree 260~320℃, injection molding parts mold temperature degree 80~120℃, material tube/pipe temperature degree 260~310℃, material temperature degree 280~320℃, injection shot pressure 800~1500kg/cm², most low as temperature degree 260℃. use remove wet drying machine, drying temperature degree is 105~120℃(0.02~0.03% below/following ), 需时2~4 small 时, material tube/pipe temperature degree 第一段 is 260~270℃; 第二段 is 260~270℃; 第三段 is 240~250℃; 第四段 is 220~230℃; injection molding parts mold surface temperature degree 40~60℃. temperature degree setting: 射嘴275~305℃, front 段270~275℃, in 段265~275℃, rear 段250~270℃; screw speed 50~115rpm, injection molding parts mold temperature degree 60~120℃, injection shot pressure 700~2100kg/cm², back pressure 5-15kg. density ~1.20g/cc, deformation temperature degree 120~146℃, 线膨胀系数0.000066/℃, heat deflection temperature (HDT) 129~135℃(141℃) PCTFE poly chlorine fluorine ethylene Polychlorotrifluoethylene design flow 适当之 gate and runner. must use high pressure injection shot molding machine. selection can anti color formed conditions. use anti injection molding parts mold, material, surface treatment. formed shrinkage rate is 0.5% left right. PE polyethylene (PE) Polyethylene high density PE material has obvious crystallization temperature degree, most good increase large injection shot speed degree. for thick products 而言, increase fast injection shot speed degree is important: can products surface gloss, anti warpage, decrease/reduce molding shrinkage and other. screw design and 止逆配备尤需 precision, has loss consumption and 伤痕, add material generate slow phenomenon. (因 plastics 逆流而 generate injection molding parts mold amount decrease/reduce, material 倒回于计 amount 部, make material new material 滞留, formed new 陈代谢失效, 因而形 formed molding product quality 不坚实, sink marks degree strong/high, defect rate high phenomenon. ) injection molding parts mold design ( gate, runner ) has fast speed material speed degree. using/adopting cooling speed degree 均一之 cooling methods. use screw molding machine relatively 佳, flow property 佳; must high pressure injection shot pressure, holding pressure relatively long 30~60%. formed shrinkage rate is 2.5%, toward is 2.0%. formed product design anti warpage, deformation. low pressure lower, add hot temperature degree 140~300℃, injection molding parts mold temperature degree 30~65℃; high pressure lower, add hot temperature degree 150~300℃, injection molding parts mold temperature degree 50~70℃. high density PE之 material tube/pipe temperature degree 210℃, can rear 面1段喷出 material temperature degree electrical 源, injection shot pressure 500~1500kg/cm², most low as temperature degree 180℃. drying temperature degree is 85℃, 需时1 small 时, material tube/pipe temperature degree 第一段 is 220~240℃; 第二段 is 200~220℃; 第三段 is 180~190℃; 第四段 is 160~170℃; injection molding parts mold surface temperature degree 30~70℃. temperature degree setting: 射嘴210~265℃, front 段200~255℃, in 段200~250℃, rear 段190~240℃; screw speed 110~140rpm, injection molding parts mold temperature degree 45~50℃, back pressure 150~250kg/cm². density 0.91~0.97g/cc, deformation temperature degree 32~95℃, molding shrinkage 0.5~2.5%. PEEK polyphenylene oxide (PPO) ether ketone ( poly ether ketone )Polyether Ether Ketone density 1.30~1.45g/cc, deformation temperature degree 151~300℃, molding shrinkage 1.0%. 烧点334℃, 玻璃转移点134℃, solid speed degree fast, resin temperature degree 400℃, injection molding parts mold temperature degree 180℃, injection shot pressure 1000kg/cm², injection shot speed degree fast, formed time long, drying 150℃, 需时3 small above, glass fiber strong/high 化30, flow property 55. PES/PESF polyether Polyether Sulfone density 1.24~1.37g/cc, deformation temperature degree 174~214℃, molding shrinkage 0.5~1.0%. 玻璃转移点225℃, resin temperature degree 370℃, injection molding parts mold temperature degree 160℃, injection shot pressure 900kg/cm², injection shot speed degree 普通, formed time 普通, drying 150℃, 需时3 small 时, glass fiber strong/high 化55, flow property 70. PET polyethylene terephthalate (PET) Polyethylene Terephthalate temperature degree setting: 射嘴280~295℃, front 段270~275℃, in 段265~275℃, rear 段250~270℃; screw speed 50~100rpm, injection molding parts mold temperature degree 30~85℃, non crystallization type mold temperature is 70℃ below/following, back pressure 5-15kg. use remove wet drying machine, material tube/pipe temperature degree 240~280℃, injection shot pressure 500~1400℃, injection shot formed temperature degree 260~280℃, drying temperature degree 120~140℃, must 时2~5 small 时. PI poly amine Polyimide density 1.16~1.64g/cc, deformation temperature degree 278~380℃. 烧点388℃, 玻璃转移点250℃, solid speed degree fast, resin temperature degree 410℃, injection molding parts mold temperature degree 200℃, injection shot pressure 800kg/cm², injection shot speed degree 普通, formed time 普通, drying 200℃, 需时6 small 时, formed shrinkage rate 1.6%, glass fiber strong/high 化40, flow property 75. PMMA polymethyl methacrylate (PMMA) (pressure force)Polymethyl Methacrylate此 material features is tough property strong/high, material defect, low temperature molding. speed slow, make tube/pipe inner temperature rise. design injection molding parts mold add large and 射嘴孔. pressure force molding technology property processing molding, as must 辟净室以隔离灰尘, 漏斗宜清洁, 取模宜 light 巧, belt/tape sleeve/set and other maintain dry 净. generally type: material tube/pipe temperature degree 180~240℃, injection shot pressure 750~2400kg/cm², mold temperature 40~70℃, drying temperature degree 70~75℃(0.1~0.2% below/following ), 需时4 small 时, shrinkage rate 0.4~0.8. heat resistant type: material tube/pipe temperature degree 220~260℃, injection shot pressure 750~2400kg/cm², mold temperature 40~70℃, drying temperature degree 70~75℃(0.1~0.2% below/following ), 需时4 small 时, shrinkage rate 1.1~1.2. drying temperature degree is 80℃, 需时3~4 small 时, material tube/pipe temperature degree 第一段 is 200~220℃; 第二段 is 190~220℃; 第三段 is 170~200℃; 第四段 is 150~180℃; injection molding parts mold surface temperature degree 20~90℃. temperature degree setting: 射嘴185~215℃, front 段190~200℃, in 段175~190℃, rear 段170~190℃; screw speed 80~200rpm, injection molding parts mold temperature degree 30~80℃, use high pressure injection shot pressure, holding pressure long 至2~3 separation 钟, back pressure 150~400kg/cm². density 1.14~1.20g/cc, deformation temperature degree 76~116℃, molding shrinkage 0.2~0.8%. 线膨胀系数0.00005~0.00009/℃, heat deflection temperature (HDT) 68~99℃(74~107℃). POM poly shrink aldehyde Polyacetal, Polyoxy Methylene宜 attention/notes molding temperature degree tube/pipe 理, POM material can in 熔胶筒 inner long time, easy 火, color 化. rear gas very concentrated, and method 兰 各部接触点 most easy 腐蚀, use good 材质. add hot temperature degree 190~220℃, injection molding parts mold temperature degree 80~120℃, material tube/pipe temperature degree 170~225℃, material temperature degree 190~210℃, injection shot pressure 800~1500kg/cm², holding pressure parts 壁而定, most low as temperature degree 180℃. use hot drying machine, drying temperature degree is 100~120℃, 需时1~4 small 时, material tube/pipe temperature degree 第一段 is 190~215℃; 第二段 is 195~215℃; 第三段 is 180~205℃; 第四段 is 150~180℃; injection molding parts mold surface temperature degree 60~120℃. temperature degree setting: 射嘴185~215℃, front 段190~200℃, in 段175~190℃, rear 段170~190℃; screw speed 80~200rpm, injection molding parts mold temperature degree 30~80℃, injection shot formed temperature degree 195~250℃, 700~1500kg/cm2, back pressure 100~200kg/cm². density 1.30~1.45g/cc, deformation temperature degree 70~125℃, molding shrinkage 0.8~2.0%, specific gravity 1.4~1.6, 线膨胀系数0.000081/℃. PP propylene resin (polypropylene (PP))Polypropylene ResinPP material from 280℃附近会开始 poor 化, therefore add hot temperature degree in 270℃ below/following as, its separation toward property very strong/high, in low temperature molding 时, easy separation toward warpage and 扭曲, attention/notes. high pressure formed must use high pressure molding machine. shrink can can large. runner, gate must flow property design. attention/notes control material temperature degree and type degree. formed shrinkage rate is 0.35% left right, add hot temperature degree 180~300℃, injection molding parts mold temperature degree 20~80℃, material tube/pipe temperature degree 220~270℃, material temperature degree 210~280℃, injection shot pressure 400~1000kg/cm², most low as temperature degree 200℃. gate design must attention/notes formed product 之黏. formed product design must anti 止发生凹陷 and deformation. formed shrinkage rate is 0.8~1.5%. use hot drying drying temperature degree is 60~90℃, 需时1 small 时, material tube/pipe temperature degree 第一段 is 240~250℃; 第二段 is 190~250℃; 第三段 is 170~230℃; 第四段 is 150~210℃; injection molding parts mold surface temperature degree 20~60℃. temperature degree setting: 射嘴200~220℃, front 段190~215℃, in 段190~210℃, rear 段185~200℃; screw speed 120~ most large rpm, injection molding parts mold temperature degree 20~70℃, injection shot pressure 700~1800℃, holding pressure long 30~70%, back pressure 120~200kg/cm². density 0.90~0.91g/cc, specific gravity 0.9~0.92线膨胀系数0.000058~0.0001/℃, molding shrinkage 1.0~2.5%, heat deflection temperature (HDT) 57~63℃(96~110℃). PPS polyphenylene sulfide (PPS) Polyphenylene Sulfide Ether density 1.34~1.40g/cc, deformation temperature degree 110~265℃, molding shrinkage 0.4~1.4%. material tube/pipe temperature degree 290~360℃, injection shot pressure 500~1400kg/cm², mold temperature 120~150℃, injection shot formed temperature degree 300~370℃. 烧点288℃, 玻璃转移点90℃, solid speed degree fast, resin temperature degree 320℃, injection molding parts mold temperature degree 150℃, injection shot pressure 600kg/cm², injection shot speed degree fast, formed time short, drying 140℃, 需时3 small 时, formed shrinkage rate 1.6%, glass fiber strong/high 化100. use hot drying machine, drying temperature degree 130~150℃, 需时2~3 small 时. use remove wet drying machine, drying temperature degree 120~140℃, 需时2~4 small 时. PS polystyrene (PS) Polystyrene relatively easy molding. injection molding parts mold in ejection 时, attention/notes 钵裂, 选定适 combined 之开关模 machine 构. formed product has 钵裂之虞者, attention/notes formed product design. 特殊情况 use 1° above shrink 倾斜, attention/notes injection molding parts mold has low separation. formed shrinkage rate is 0.45% left right, generally type add hot temperature degree 160~310℃, injection molding parts mold temperature degree 40~70℃; resistant impact type add hot temperature degree 180~310℃, injection molding parts mold temperature degree 40~70℃. use hot drying machine, drying temperature degree is 60~80℃, 需时1~2 small 时, material tube/pipe temperature degree 180~260℃, 第一段 is 190~215220~240℃; 第二段 is 210~240℃; 第三段 is 180~230℃; 第四段 is 150~180℃; injection molding parts mold surface temperature degree 10~70℃. 需时2 small 时. temperature degree setting: 射嘴190~225℃, front 段180~225℃, in 段160~220℃, rear 段150~200℃; screw speed 70~160rpm, injection molding parts mold temperature degree 20~80℃, back pressure 10~20kg. density 1.04~1.06g/cc, deformation temperature degree 65~106℃, molding shrinkage 0.4~0.8%, specific gravity 1.0~1.1. flow long degree 200~500L/t, 线膨胀系数0.00005~0.000083/℃, 玻璃转移 temperature degree 85~110℃, negative 载弯挠 temperature degree 68~105℃(50~95℃), 传导系数0.0003cal.cm.s.sm/℃, density 1.03~1.05g/cm³, resistant strong/high degree 350~550kgf/cm², tensile rate 1.2~3.6%, elastic property 系数22000~32000 kgf/cm², 2.1~3.2kgf.cm/cm, impact strong/high degree 1.9~2.4kgf.cm/cm, hardness M60~84, transparent, water property 0~0.03%. PSF poly 讽Polysufone use remove wet drying machine, add hot temperature degree 340~400℃, injection molding parts mold temperature degree 160~200℃, drying temperature degree 80~160℃, drying time 3~4 small 时. density 1.24~1.30g/cc, deformation temperature degree 164~190℃, molding shrinkage 0.15~0.9%. 玻璃转移点189℃, solid speed degree fast, resin temperature degree 350℃, injection molding parts mold temperature degree 130℃, injection shot pressure 900kg/cm², injection shot speed degree 普通, formed time 普通, glass fiber strong/high 化30, flow property 45. material tube/pipe temperature degree 330~360℃, 射嘴330℃, 第一段330℃, 第二段320℃, 第三段290℃, mold temperature 95~100℃, injection shot pressure 700~1000kg/cm², formed shrinkage rate 0.7%. PTFE PTFE (poly fluorine 烯)Polyterafluorethylene add hot temperature degree 260~340℃, injection molding parts mold temperature degree 100~160℃. 玻璃转换 temperature degree is 19℃, copper resistant strong/high degree 7.1 lb/in, sheet/plate 材Z轴 hot 膨账系数73ppm/℃, dimensions property 0.8%, easy made property is 25%. Tg very low, in normal temperature lower soft/flexible. PU or PUR polyurethane acid ester Polyurethane use remove wet drying machine, drying temperature degree 90℃, 需时1~4 small 时, injection molding parts mold temperature degree 80~100℃. material tube/pipe temperature degree 180~240℃, density 1.14g/cm², shrinkage rate 0.6~0.8%, water absorption 0.02%, material tube/pipe selection small ~ in, table/sheet pressure 60~80kg/cm² pressure shrink ratio 2.2~2.5:1, L/D ratio 18~20 PVAC poly acid ethylene ester Polyvinyl Acetate add hot temperature degree 120~200℃, injection molding parts mold temperature degree 20~55℃. PVC polyvinyl chloride (PVC) ( hard 质)Polyvinly Chloride tube/pipe inner temperature degree 宜取170-l90℃ add hot, 应避免 200℃ above high temperature add hot, mold temperature 取50 -60℃. plastics time short, most slow add material method make tube/pipe inner rise temperature degree, slow injection shot method make gas can 排出于模体. injection molding parts mold gas large, screw add electroplating, use plant/unit, 射嘴孔应 add large, 每次需射 to 底, make 不含滞 material in tube/pipe inner. 停止操 as 时, must temperature degree slow slow reduce, 一直操 as defect formed product make internal material full injection shot. material temperature degree control relatively is important, use screw molding machine relatively 佳. gate, runner design make has relatively small flow retardant resistant. injection molding parts mold must as resistant surface treatment. add hot temperature degree 149~213℃, injection molding parts mold temperature degree 50~70℃, material tube/pipe temperature degree 165~185℃, material temperature degree 175~195℃, injection shot pressure 1000~2800kg/cm², most low as temperature degree 165℃ use hot drying machine, material tube/pipe temperature degree is 150~190℃, 需时1~4 small 时, drying is 80~100℃, material tube/pipe temperature degree 第一段 is 180~200℃; 第二段 is 180~200℃; 第三段 is 160~180℃; 第四段 is 140~160℃; injection molding parts mold surface temperature degree 20~600℃. temperature degree setting: 射嘴185℃, front 段180℃, in 段175℃, rear 段165℃; screw speed 60rpm; mold temperature 25~70℃. density 1.1~1.6g/cc, deformation temperature degree 55~100℃, molding shrinkage 0.1~0.5, 1~5%, 线膨胀系数0.00005~0.000185/℃, molding shrinkage 0.1~0.5%, heat deflection temperature (HDT) 57~74℃(82℃). PVDC polyethylene (PE) aldehyde Polyvinylindene Chloride add hot temperature degree 150~200℃, injection molding parts mold temperature degree 50~70℃. SAN styrene, propylene copolymer (AB胶, SAN material, transparent large force 胶)Styrene Acrylonitrile Copolym add hot temperature degree 170~290℃, injection molding parts mold temperature degree 40~80℃. TPUTPU resin Thermoplastic Polyurethane processing front must separation drying, water separation most good in 0.03 below/following. recycling material processing ultra- 总 amount 25% is 原则. processing can add 入BS/PVC予以改变TPU flow property or material property, can ultra- 总 amount 15%. color processing can use Pp/LDPE material tube/pipe. shrinkage rate in 0.3-0.8% between, injection shot increase large injection molding parts mold gate 口径, growth holding pressure time and injection shot pressure, reduce injection molding parts mold temperature degree can decrease/reduce molding product shrinkage rate.