尺寸稳定性POM Delrin 511KM NC000美国杜邦DUPONT

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Zui接近金属。 

优点  1、具高机械强度和刚性

2、Zui高的疲劳强度

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

‘I’ve been hearing that a lot recently,’ said Hideji, then took along drag on his cigarette.
‘You have? Wait – don’t tell me you’ve remarried?’
‘Actually, that’s what brings me here. See, I need your helprecreating a certain . . . flavour,’
said Hideji, smiling as he stubbed his cigarette out in theashtray.
‘Thanks for the katsudon – it was delicious,’ said Hiroshi,slapping a five-hundred-yen coin on
the counter and walking out of the restaurant with hiscigarette dangling49 fromhis mouth. Hideji,
following him with his gaze, turned to Koishi.