沈阳pp板厚度3mm-20mm

PP板产品特性：
PP板是一种半结晶性材料。它比PE要更坚硬并且有更高的熔点。由于均聚物型的PP温度高于0℃以上时非常脆，因此许多商业的PP材料是加入1~4%乙烯的无规则共聚物或更高比率乙烯含量的钳段式共聚物。共聚物型的PP材料有较低的热扭曲温度（100℃）、低透明度、低光泽度、低刚性，但是有有更强的抗冲击强度。PP的强度
随着乙烯含量的增加而增大。由于结晶度较高，这种材料的表面刚度和抗划痕特性很好。。通常金属添加剂或热塑橡胶的方法对PP进行改性。PP的流动率MFR范围在1~40。低MFR的PP材料抗冲击特性较好但延展强度较低。对于相同MFR的材料，共聚物型的强度比均聚物型的要高。由于结晶，PP的收缩率相当高，一般为1.8~2.5%。并且收缩率的方向均匀性比PE-HD等材料要好得多。加入30%的玻璃添加剂可以使收缩率降到0.7%。均聚物型和共聚物型的PP材料都具有优良的抗吸湿性、抗酸碱腐蚀性、抗溶解性。然而，它（如苯）溶剂、氯化烃溶剂等没有抵抗力。PP也不象PE那样在高温下仍具有抗氧化性。
 
PP板用途：
耐酸碱设备，环保设备，废水、废气排放设备用，洗涤塔，无尘室，半导体厂及其相关工业之设备，也是制造塑料水箱的首选材料，其中PP厚板材广泛用于冲压板，冲床垫板等。
1. 宣传看板；
2. 回收箱，包括各行业重复使用回收箱、蔬果包装箱、储衣箱、文具箱；
3. 工业用板，包括外覆包装保护，玻璃、钢板、各种物品外包装保护，垫板、置物架、隔板、底板等；
4. 保护板，以纸板、三夹板保护施工中建材的时代一去不复返，随着时代进步和品味的提升，确保装潢设计在完工启用前的完整，应给予适当的保护才能维持作业的经济性、安全性和方便性，另有大楼电梯、地板验收前的保护。
5. 电子工业保护。导电性包装制品主要使用在IC晶圆、IC封装、测试、TFT-LCD、光电等电子零部件之包装上，目的都是为了避免其它带电荷物品与其接触，造成零件因电荷摩擦产生火花损害。另外还有导电、抗静电性塑料板、周转箱等等。 PP板可用于除上述产品外，还应用于洗衣机背板、电冰箱隔温层、冷冻食品、药品、糖酒等包装上。还可利用中空板生产线生产PE中空板以供应城市建设、农村所需的保温室隔板。
 
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