Shanghai Daoqin Plastics Co., Ltd.

has factory 问 plastics product generate and how to solution?
1.何谓银纹（ appearance ）?
银纹 is molding product surface gas or gas types phenomenon. gas is resin or additives separation understanding, or 者
different resin mixed 入引起, gas is amount 时卷入. in addition also has water separation effect/influence.
2.银纹 生 formed causes
a. resin separation understanding material generate gas 体
b.卷入空 gas
c.预 drying 不足
d.排 gas small
e. different material mixed 入
3.银纹 countermeasures
a.检查计 amount 状态:应检查计 amount 状态. if screw speed fast or back pressure 不足, easy 出现银纹
b.检查 resin temperature degree: resin separation understanding
c. strong/high drying
d. has 无污染 material
e.检查排 gas 口

pa66 plastics raw materials material property PA66/A706/南京德尔隆