Shanghai Daoqin Plastics Co., Ltd.

Common plastics related Knowledge 问答1, what is PPC type plastics, how to from appearance upper 辨认? 答: PPC belongs to PP type, full is chlorine polypropylene (PP), used for manufacturing day use product, electrical appliances and other. 2. used for production HDPE燃 gas tube/pipe, to water tube/pipe raw materials is what Model/Grade? 答: used for production HDPE燃 gas tube/pipe, to water tube/pipe raw materials is PE80, PE100 3.PPN is what material? 答: PPN is polypropylene (PP) types. 4.现 in EVA tool has most good elastic property is 哪产? what grade? need Domestic, also has soft polyvinyl chloride (PVC) used for injection molding parts has what 啊? 答: Domestic EVA basic is 北京产, separation is grade 14 type (VA=14) generally applications film,18 type (VA=18) foaming 体, and injection molding parts grade 5 type (VA=5) food packaging film. PVC used for injection molding parts generally is 5 type and 3 type. 5.请问PPU this type of plastics in is what? 答: PPU is thermoplastic polyurethane (TPU). 6. how to can identification PVC plastics, PVC can recycled pelletizing 吗? what methods 进行? currently recycled PVC market trends how to? 答: 1)PVC in 文名: polyvinyl chloride (PVC). method identification, soft or melt temperature degree scope/range: 75~90°C; 燃烧情况: difficult soft 化; 燃烧火焰状态: upper lower has 烟; rear 情况: 离火熄灭; odor: property acid 味. solvent agent identification, solvent agent: hydrogen 呋喃, ring ketone, ketone, 二甲基甲酰 amine; non solvent agent: alcohol, ketone, 庚烷. 2) can recycled pelletizing. 3)PVC recycling process main/primary below/following 6 steps: (1) for PVC waste material 预处理; (2) in mixed combined solvent agent in has selection solvent understanding; (3) separation can solvent understanding material 质; (4) recycled PVC 析出; (5) drying 处理; (6) recycling and ring use solvent agent 8, 乙丙橡胶 applications is what? 答: 乙丙橡胶 has ternary and binary 乙丙橡胶, generally applications: has pressure products; general purpose tube/pipe and automotive inner heat resistant tube/pipe; manufacturing electrical appliances parts; extrusion property can excellent, can and high viscosity types blending improvement its extrusion property. 9, material bottle cover/cap is what material 做? 答: generally is use PP(polypropylene (PP))做. 10, LL0412 LL0501 LL0503 LL0504 LL0505 separation table/sheet injection molding parts processing what Model/Grade? 答: LL table/sheet 示LLDPE; rear 面四位数字代 table/sheet time, front table/sheet year, rear table/sheet month 份. 例如LL0505 table/sheet easy product types is LLDPE, month 份2005 year 5 month. type 推. 11, 5000S raw materials is belongs to plastics? 答: 5000S is HDPE(high density polyethylene (PE)), is property plastics. 12, 寻找一 types plastics can high temperature resistance. large ultra- 200 degree? 答: PTFE can meet/satisfy upper requirements. in addition, high temperature resistance specialty engineering plastics has fluorine plastics silicon resin polyether amine polyether ether ketone liquid crystal polymer (LCP) and other. modified nylon, can resistant 250 degree above high temperature. 13, ABS belongs to modified polystyrene (PS) type 吗? 答: ABS就 is acrylonitrile-butadiene-styrene (ABS) copolymer, belongs to modified polystyrene (PS) type, modified polystyrene (PS) belongs to PS. 14, high pressure poly and low pressure poly difference is what? 答: high pressure polyethylene (PE) (HPPE)就 is low density polyethylene (PE) (LDPE); low pressure polyethylene (PE) (LPPE)就 is high density polyethylene (PE) (HDPE).