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：“It is true that I liked to dance. But I had to renounce going to balls; it made him suffer too much.”
Countess Martin expressed astonishment. She had always imagined Marmet as an old man, timid, and absorbed by his thoughts; a little ridiculous, between his wife, plump, white, and amiable, and the skeleton wearing a helmet of bronze and gold. But the excellent widow confided to her that, at fifty-five years of age, when she was fifty-three, Louis was just as jealous as on the first day of their marriage.
And Therese thought that Robert had never tormented her with jealousy. Was it on his part a proof of tact and good taste, a mark of confidence, or was it that he did not love her enough to make her suffer She did not know, and she did not have the heart to try to know. She would have to look through recesses of her mind which she preferred not to open.
