RAMOFIN PP PPC370B73

RAMOFIN PPC370B73 PP, Copolymer Polyram Ram-On Industries

RAMOFIN PPC101 PP, Copolymer Polyram Ram-On Industries
RAMOFIN PPC104 PP, Copolymer Polyram Ram-On Industries
RAMOFIN PPC300S4BK10 PP, Copolymer Polyram Ram-On Industries
RAMOFIN PPC301G2 PP, Copolymer Polyram Ram-On Industries
RAMOFIN PPC342M6 PP, Copolymer Polyram Ram-On Industries
RAMOFIN PPC343T4 PP, Copolymer Polyram Ram-On Industries
RAMOFIN PPC350M6 PP, Copolymer Polyram Ram-On Industries
RAMOFIN PPC359T4 PP, Copolymer Polyram Ram-On Industries
RAMOFIN PPC361T4 PP, Copolymer Polyram Ram-On Industries
RAMOFIN PPC364I6 PP, Copolymer Polyram Ram-On Industries
RAMOFIN PPC365T8 PP, Copolymer Polyram Ram-On Industries
RAMOFIN PPC370B73 PP, Copolymer Polyram Ram-On Industries
RAMOFIN PPC371B50 PP, Copolymer Polyram Ram-On Industries
RAMOFIN PPC371B73 PP, Copolymer Polyram Ram-On Industries

本公司所销售之塑胶原料均可提供原厂的物性表，UL MSDS SGS COC 欢迎来电咨询！

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1. 物理性能：聚丙烯为无毒、无臭、无味的乳白色高结晶的聚合物，密度只有0.90~0.91g/cm3，是目前所有塑料中最轻的品种之一，它对水特别稳定，在水中24h的吸水率仅为0.01%，分子量约为8~15万之间，成型性好，但因收缩率大，厚壁制品易凹陷，制品表面光泽好，易于着色。
2. 力学性能：聚丙烯的结晶度高，结构规整，因而具有优良的力学性能，其强度和硬度、弹性都比HDPE高，但在室温和低温下，由于本身的分子结构规整度高，所以冲击强度较差，分子量增加的时候，冲击强度也增大，但成型加工性能变差，PP最突出的性能就是抗弯曲疲劳性，如用PP注塑一体活动铰链，能承受7X107次开闭的折迭弯曲而无损坏痕迹，干摩擦系数与尼龙相似，但在油润滑下，不如尼龙。
3. 热性能：PP具有良好的耐热性，熔点在160~170℃，制品能在100℃以上温度进行消毒灭菌，在不受外力的情况下，150℃也不变形，脆化温度为-35℃，在低于-35℃会发生脆化，但耐寒性不如聚乙烯。
4. 化学稳定性：聚丙烯的化学稳定性很好，除能被浓硫酸、浓硝酸侵蚀外，对其他各种化学试剂都比较稳定，但低分子量的脂肪烃、芳香烃和氯化烃等能使PP软化和溶胀，同时它的化学稳定性随结晶度的增加还有所提高，所以聚丙烯适合制作各种化工管道和配件，防腐蚀效果良好。
5. 电性能：聚丙烯的高频绝缘性能优良，由于它几乎不吸水，故绝缘性能不受湿度的影响，它有较高的介电系数，且随温度的上升，可以用来制作受热的大气绝缘制品。它的击穿电压也很高，适合用作电气配件等，抗电压、耐电弧性好，但静电度高，与铜接触易老化。
6. 耐候性：聚丙烯对紫外线很敏感，加入氧化锌、硫代丙酸二月桂脂、碳黑或类似的乳白填料等可以改善其耐老化性能。

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