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新型功能性无机填料 空心微珠 晶须硅 陶瓷微珠 陶瓷微粉 纳米二氧化钛 纳米二氧化硅 纳米氧化锌 纳米碳酸钙 反光玻璃微珠 纳米光触

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j Active whisker silicon fiber-shaped functional material is used for plastic modification to enhance high temperature resistance and scratch resistance

价格 6.00元/公斤
total supply
20000 公斤
MOQ
25 公斤
brand
上海汇精
area
Shanghai
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Shipped within 1 days from the date of payment by the buyer
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上海汇精亚纳米新材料有限公司

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Product Details
纤维长度:
2-10
耐火度:
1700℃
莫氏硬度:
7
上海汇精亚纳米新材料有限公司
晶须硅(Si-GX)
晶须硅主要用于以下几种胶料制品:
1. 尼龙、PP、PBT、PC、POM、ABS等工程塑料的改性,可替代玻璃纤维,提高拉伸强度、刚性、抗划伤性、抗挠曲强度、提高模量、降低收缩率,保持尺寸稳定、防止翘曲,消除玻纤外露;提高制品的阻燃性、热变形温度和绝缘性能,大大降低成本。
2. 填充PVC、PP、PE、生产异型材、管材和板材,可使制品具有良好的尺寸稳定性、提高刚性、韧性、耐热温度和绝缘性,提高制品性价比。
3. 填充于PVC、PE等电缆、绝缘护套材料,可提高产品的耐高温、绝缘、耐酸碱等性能。
4. 填充环氧树脂覆铜版,可降低树脂粘度,提高弯曲强度、拉伸强度,改善其物理机械性能,提高玻璃化转变温度,降低介电常数、提高绝缘性能,降低吸水性。
5.  填充有机硅树脂,可提高物理机械性能,大量填充可大大降低成本,是生产模具的理想材料。
晶须硅(又名短玻纤)性能特点:
晶须硅是一种纤维状形体结构功能性材料,主要成分Si02,俗称为短玻纤,外观为纯白色、强度高、化学稳定性好、分散性好、耐高温,绝缘性好、烧失量低、吸油率低。用于工程塑料改性可使产品具有高强度、高模量、高耐热性、及低收缩变形率,晶须硅是一种塑料改性新型功能性增强、增韧材料。
晶须硅物理性能: 
纤维体长度(µm)Particle size
2--15
堆积密度(g/cm3)bulk density
0.78
真实密度(g/cm3)true density
1.8—2.3
色泽(白度%)color
≥92
吸油率g(oil)/100g oil absorption
23--36
PH值
6.8
水 份(%)
≤0.2
耐火度(℃)Melting point
1700
莫氏硬度hardness (Mohs scale)
7
烧失量Lost in ignition
≤0.10%
体积电阻(Ω.CM)Volume resistance
1.5X1010
作为纤维状材料,晶须硅在塑料中应用具有如下特性:
1. 改善外观、消除玻纤外露:代替玻纤使用于各种工程塑料的玻纤改性可消除玻纤外露现象,提高制品的刚性、韧性、抗划伤性,特别适合制作表面要求高的精密注射件。
2. 降低成本:晶须硅只有短玻纤1/2--1/3左右的价格,代替玻纤可大大降低企业生产成本。
3. 热稳定性好、阻燃:晶须硅熔点高、高温下不分解,提高制品的阻燃性和热变形温度。
4. 产品尺寸稳定性:优良的分散性,使其可充分的分散于树脂体系,提高制品尺寸稳定性、防止翘曲,特别适合制作精度要求高、形状复杂的塑胶制品等。
5. 绝缘性好、吸水率低:晶须硅比电阻高,吸水率低,适用于电缆绝缘材料及电路板材料。
6. 耐腐蚀性强:晶须硅主要为Si02成份,可在各种有机溶液及酸、碱溶剂中保持稳定,提高制品抗老化性能。
★  工程塑料改性建议添加比例:
尼龙+(15-20)%玻纤+(8-12)%晶须硅+其它==尼龙+30%玻纤+其它
PP+8%玻纤+10%晶须硅+其它=PP+15%玻纤+其它
PC  ABS  PBT  POM  PVC  PE 等材料都可以参照这比例添加晶须硅
可以消除玻纤外露,改善制品外观,提高热变形温度,提高阻燃性,降低收缩变形率,克服翘曲,改善加工性能,提高制品的刚性,降低成本。

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