描述
定价GF20黑色20%玻璃纤维填充PBT颗粒回收PBT用于电容器外壳
规格
1。树脂PBT塑料材料
2。高冲击PBT
3。耐磨性好
价格GF20黑色20%玻璃纤维填充PBT颗粒回收PBT用于电容器外壳
产品详细信息
定价GF20黑色20%玻璃纤维填充PBT颗粒回收PBT用于电容器外壳
1。增强改性通过在PBT中加入玻璃纤维，玻璃纤维与PBT树脂之间的结合力良好。在PBT树脂中加入一定量的玻璃纤维后，既能保持PBT树脂原有的耐化学性和加工性能等优点，又能在更大范围内提高其力学性能，克服PBT树脂的缺口敏感性 2。阻燃改性PBT是一种结晶芳香聚酯。如果不添加阻燃剂，其阻燃性为UL94HB级。添加阻燃剂后才能达到UL94V0级 常用的阻燃剂包括溴化物、Sb2O3、磷化物和氯化物以及其他卤素阻燃剂。十溴二苯醚是最常用的阻燃剂，一直是PBT的主要阻燃剂。然而，由于环境保护的原因，欧洲国家很早就禁止使用，所有缔约方都在寻找替代品，但与十溴二苯醚替代品相比，没有性能优势 3。共混合金改性 将PBT与其他聚合物混合的主要目的是提高缺口冲击强度，改善成型过程中收缩引起的翘曲，并提高耐热性 国内外广泛采用共混法对其进行改性。用于PBT共混改性的聚合物主要包括PC、PET等。 是电容器外壳制造商回收PBT的专业价格gf20%黑色玻璃纤维填充PBT颗粒之一，您可以从我们工厂订购高质量价格的gf20黑色20%玻璃纤维填充pbt颗粒回收pbt电容器外壳 SpecificationsPRICE GF20 Black 20% Glass Fiber Filled PBT Pellets Recycled PBT For Capacitor Case
1.Resin-PBT plastic materail
2.High Impact PBT
3.good abrasion resistance.
PRICE GF20 Black 20% Glass Fiber Filled PBT Pellets Recycled PBT For Capacitor Case
Product Details
PRICE GF20 Black 20% Glass Fiber Filled PBT Pellets Recycled PBT for Capacitor Case
PBT modification
1. Enhanced modification
By adding glass fiber to PBT, the bonding force between glass fiber and PBT resin is good. After adding a certain amount of glass fiber to PBT resin, it can not only maintain the original advantages of PBT resin such as chemical resistance and processability, but also have a greater range Improve its mechanical properties and overcome the notch sensitivity of PBT resin.
2. Flame retardant modification
PBT is a crystalline aromatic polyester. If flame retardant is not added, its flame retardancy is UL94HB level. Only after adding flame retardant can it reach UL94V0 level.
Commonly used flame retardants include bromide, Sb2O3, phosphide and chloride and other halogen flame retardants. Decabromodiphenyl ether is the most commonly used flame retardant, which has always been the main PBT flame retardant. However, due to environmental protection reasons, European countries are very early Regarding the prohibition of use, all parties are looking for alternatives, but there has been no performance advantage over decabromodiphenyl ether alternatives.
3. Co-mixed gold modification
The main purpose of blending PBT with other polymers is to improve the notched impact strength, improve the warpage caused by the shrinkage of the molding process, and improve the heat resistance.
Blending is widely used at home and abroad to modify it. The polymers used for blending modification of PBT mainly include PC, PET, etc.
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