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K 2016呈现in六 large polymer technology （POM）
K 2016呈现in六 large polymer technology （POM）
POM polyoxymethylene (POM) | technology 文章 | Daoqin plastics raw materials
本文 will detailed introductionpolyoxymethylene (POM) （POM）material property can features, application areas and processing process, is material selection and product design provide 参考.
detailed introduction
K 2016呈现in六 large polymer technology （POM）
year 一届 橡塑界科技盛宴K展 will 于10 month 19 day -26 day in Germany 杜塞尔 more 夫展览 in 心举行. K 2016 will show/display currently industry in 6 large polymer technology, 包括定 made material, has utilizing, defect production, light amount 化, 数字化(industrial 4.0) and increase manufacturing.
trend 1 : for application or property can made material
currently industrial polymer material 越 越 more 进行“变异”, “ increase 材” and “ function 化” production, meet/satisfy application or property can demand.
and material or water 直接接触 材 material or is medical grade material （ medical grade POM）, for polymer features has requirements. product need material tool chemical resistant product property （POM tool has excellent chemical resistance ）, electronics product or lighting system need material can for 连续变化 峰 value temperature degree meanwhile also can maintain stability property can.
many application will need can adjustment conductive property or electrical retardant property and thermally conductive property.
[材 material basic parameters ]
| density | 1.41 g/cm³ |
| melting point | 165~175°C |
| heat deflection temperature (HDT) | 110~124°C |
| tensile strength | 60~70 MPa |
| flexural modulus | 2600~3100 MPa |
| notched impact strength | 70~100 J/m |
| molding shrinkage | 1.8~2.5% |
| friction coefficient | 0.1~0.3 |
core advantages
- excellent machine strong/high degree: tensile strength 60-70MPa, is thermoplastic property plastics in force property can most excellent material 之一
- color wear resistance and lubricated property: friction coefficient low 至0.1-0.3, is manufacturing gears and bearings 理想材 material
- high rigidity: flexural modulus can 达2600-3100MPa, dimensional stability good
- excellent fatigue resistance: in 反复应 force function lower still can maintain good force property can
- good chemical resistance: for has machine solvent agent, type, material has excellent 良 抵 resistant can force
- excellent dimensional stability: water absorption low, in wet ring in property can small
application areas
gears, strip/profile, 凸轮, bearings, sleeve/set, strip/profile
门锁, rise drop device, safety belt/tape 扣, 燃油泵组 parts
开关, electrical appliances, connectors, 卡扣, 键盘按键
拉链, machine, frame, toys parts
阀门, water leading, 淋浴喷头, pipeline parts
injection molding processing process
- drying 处理: POM water absorption relatively low, generally 80°C drying 3-4 small can
- material temperature degree: 180~220°C（ homopolymer POM偏 high, copolymer POM偏 low ）
- mold temperature degree: 60~120°C（ high mold temperature can obtain more good crystallization degree and surface quality ）
- injection pressure: 70~120 MPa
- injection speed degree: in and other to fast speed
- precautions: POM heat stabilized property 差, material temperature degree ultra- 240°C, machine front must use PE清洗
above inner 容由Daoqin plastics raw materials has companytechnology 部整理 editor | 如需 understanding more more POM polyoxymethylene (POM) material 信息, electrical inquiry
联系 electrical 话: 19279864570（ micro 信同号）
