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【锦囊妙计】 how to fast speed identification this types elastomer 呢?
1.PVC
燃烧 testing sheet/plate,
一看火焰, upper lower 绿, is PVC,
二闻 odor, has chlorine difficult 闻臭味, is soft 质PVC. another PVC燃烧 has relatively concentrated 烟.
PVC（ soft 质）, Common is transparent or white 材质, can various color. large hardness scope/range 30~180P（约 combined hardness Shore 0~100A).
increase agent content less, hardness versus for relatively high PVC, tool has relatively good flame resistant property, usually tool has self-extinguishing property.
图 sheet/slice is PVC hard sheet/plate
2.TPU（ thermoplastic polyurethane (TPU) ）
燃烧火焰 is color, has light micro 滋滋爆炸声; tool has 特殊异味（氨 味道）.
TPU is transparent pellets, can white or black. hardness scope/range 60A~80D.
图 sheet/slice is TPU手 machine housing/shell
3.TPV( thermoplastic property 动态硫化 elastomer ）
燃烧火焰 upper lower 蓝, has 特殊石油味（PP 味道）, generate relatively 淡.
TPV is color pellets, can other color. hardness scope/range 50~100A.
图 sheet/slice is TPV密封圈
4.橡胶（硫化 type ）
燃烧火焰 is color, odor relatively large （芳香烃, agent, anti agent and other additives generate ）.
硫化橡胶 products usually is black, has white or color products. usually material hardness 50~80A.橡胶 products tool has good elastic property.
图 sheet/slice is 橡胶圈
5. silicon 胶
燃烧火焰 is white, odor 淡, less, material is white powder 末.
silicon has transparent pellets, has other random solid 体状材 material. separation machine and has machine silicon 胶. hardness scope/range 10~90A. silicon tool has good tensile elastic property.
图 sheet/slice is machine device
6.TPR/TPE(基于SBS,SEBS基材）
燃烧火焰 is color or upper lower 蓝. different hardness and 基材 TPR,TPE(之 therefore has TPE,TPR method, use different 称呼习惯 has 关), generate or or concentrated, odor has 一定差异, tool has styrene 特殊芳香味.
TPR/TPE appearance is transparent pellets, can natural color or black, and other color , hardness scope/range 0~100A. in hardness versus 当 情况 lower, TPR触感 most is and slip. TPR products elastic property good, ultra- 一定 tensile rate or tensile time, can can in deformation or force and other.
for/regarding TPE,TPR sales 人员 说, 辨别TPR,TPE材 material, is most 基础 一 ring . in good material rear, need 进一步 testing analysis material material property requirements, need 跟客户沟通 other requirements （如 environmental protection, chemical resistant, weather resistance resistant temperature and other ）, this can provide combined 乎客户 requirements product.
