聚甲醛塑料，俗称赛钢，为结晶性热可塑性塑料，具明显熔点165~175℃，性质最接近金属。
优点 1、具高机械强度和刚性
2、的疲劳强度
3、环境抵抗性、耐有机溶剂性佳
4、耐反覆冲击性强
5、广泛的使用温度范围(-40℃~120℃)
6、良好的电气性质
7、复原性良好
8、具自已润滑性、耐磨性良好
9、尺寸安定性优
缺点 1、加工过程若长时间高温下易起热分解
2、无自熄性
3、抗酸性差
4、成形收缩率大
用途 电子电器：洗衣机、果汁机零件、定时器组件
汽 车： 车把零件、电动窗零件
工业零件：机械零件、齿轮、把手、玩具、螺杆
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：She escorted them to their rooms.
An hour later, Madame Martin, rested, fresh, in a gown of foulard and lace, went on the terrace where Miss Bell was waiting for her. The humid air, warmed by the sun, exhaled the restless sweetness of spring. Therese, resting on the balustrade, bathed her eyes in the light. At her feet, the cypress-trees raised their black distaffs, and the olive-trees looked like sheep on the hills. In the valley, Florence extended its domes, its towers, and the multitudes of its red roofs, through which the Arno showed its undulating line. Beyond were the soft blue hills.
