优良特性:
1、相对密度小,仅为0.89-0.91,是塑料中最轻的品种之一。
2、良好的力学性能,除耐冲击性外,其他力学性能均比聚乙烯好,成型加工性能好。
3、具有较高的耐热性,连续使用温度可达℃。
4、化学性能好,几乎不吸水 与绝大多数化学药品不反应。
5、质地纯净,无毒性。
6、电绝缘性好。
7、聚丙烯制品的透明性比高密度聚乙烯制品的透明性好。
缺点:
1、制品耐寒性差,低温冲击强度低。
2、制品在使用中易受光、热和氧的作用而老化。
3、着色性不好。
4、易燃烧。
5、韧性不好,静电度高,染色性、印刷性和黏合性差。
聚丙烯(PP)具有高刚性、抗冲击性、透明度、高流动性等优点,广泛应用于汽车塑料配件、家电产品、一次性注射器、各种透明容器、卫生无纺布、包装薄膜等的原料
本公司长期供应塑胶原料,种类多样化,标准化,技术化,价格合理。发货准,交期准.质量有保障!本公司郑重承诺:诚信经营,质量至上,可為客户提供(物性、报价、UL报告、RoSH标准、SGS检测报告等)敬请来电咨询洽谈!详情请致电:严生(业务经理)。手机;
详细说明:count the chances of escape. His sword had been removed, and his pistols were still in the holsters beside his unfortunate horse. He was unarmed, then, even if he could free himself, and his captors were at least a dozen in number. There were three on ahead, riding abreast along the white, moonlit road. Then there was one on each side, and he should judge by the clatter of hoofs that there could not be fewer than half a dozen behind. That would make exactly twelve, including the coachman, too many, surely, for an unarmed man to hope to baffle. At the thought of the coachman he had glanced through the glass front at the broad back of the man, and he had suddenly, in the glimmer of the carriage lamp, observed something which struck him with horror.