PP BJ550道达尔：Application: plate level, auto parts, packagingcontainers, packaging containers - plastic containers - plasticboxes
Characteristic remark: good hardness and impact strength,long-term thermal stability, high impact strength at lowtemperature, easy to form. Block copolymerization
Important parameters: melt flow rate: 9.5g/10min density:0.91g/cm3 notch impact strength: 8 tensile strength: 27mpaelongation at break: 500% bending modulus: 1323mpa hardness: 82 hotdeformation temperature: 106 ℃
通用塑料中PP的耐热性，其热变形温度为80-100℃，能在沸水中煮。PP有良好的耐应力开裂性，有很高的弯曲疲劳寿命，俗称百折胶。PP的综合性能优于PE料。PP产品质轻、韧性好、耐化学性好。
PP的缺点：尺寸精度低、刚性不足、耐候性差、易产生铜害，它具有后收缩现象，脱模后，易老化、变脆、易变形。日常生活中，常用的保鲜盒就是由PP材料制成。