描述
耐火V0 PBT 30%GF树脂。树脂PBT塑料材料
2。高冲击PBT
3。耐磨性好
耐火V0 PBT 30%GF树脂
产品细节
耐火V0 PBT 30%GF树脂
PBT成型加工性能
1）PBT吸湿性小，但在高温下水分更敏感，成型加工会使PBT分子降解、颜色变暗、表面斑点，因此通常应进行干燥处理
2）PBT熔体具有良好的流动性，因此很容易成型薄壁、复杂形状的产品，但要注意模具溢出以及喷嘴流涎现象
3）PBT有一个明确的熔点，当温度上升到熔点以上时，流动性会突然增加，尤其是为了引起注意
4）PBT成型加工范围窄，冷却时结晶快，流动性好，特别适合快速注射
5）PBT具有较大的收缩率和收缩范围，不同方向的收缩差异比其他塑料更明显
6）PBT对缝隙、锐角的反应比较敏感，在这些位置容易产生应力集中，使承载能力大大降低，在受力或冲击时容易破裂，因此在塑料件的设计中应注意这一点，所有拐角，尤其是内拐角应尽可能采用圆弧过渡
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Fire Resistant V0 PBT 30%GF Resin
Specifications
1.Resin-PBT plastic material
2.High Impact PBT
3.good abrasion resistance.
Fire Resistant V0 PBT 30%GF Resin
Product Details
Fire Resistant V0 PBT 30%GF Resin
PBT molding processing performance
1)PBT moisture absorption is small, but at high temperature moisture is more sensitive, molding processing will make PBT molecule degradation, color darkening, surface spots, so usually should be drying treatment.
2)PBT melt has excellent fluidity, so it is easy to mold thin-walled, complex-shaped products, but pay attention to mold spills, as well as nozzle salivation phenomenon.
3)PBT has a clear melting point, when the temperature rises above the melting point, the liquidity will suddenly increase, especially to attract attention.
4)PBT molding processing range is narrow, crystallization is fast when cooling, coupled with good mobility, especially suitable for rapid injection.
5)PBT has a large shrinkage rate and its shrinkage range, and the shrinkage difference in different directions is more obvious than other plastics.
6)PBT is sensitive to the reaction of gaps, sharp angles, in these positions prone to stress concentration, so that the carrying capacity is greatly reduced, in the force or impact prone to rupture, so in the design of plastic parts should pay attention to this, all corners, especially the internal corners should be as far as possible to use arc transition.
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