硅微粉是以天然白石英、熔炼石英为原料,经初选、破碎、研磨、提纯、脱水、分级等工艺精制而成,其质纯、色白、颗粒均衡。其主要特性如下: 1、硅微粉系中性无机填料,颗粒细微均衡,并可制成超细微粉;能与各类环氧树脂混合,浸润性好,吸附特性优良,无结团现象。 2、配方中加入硅微粉后可降低环氧树脂固化物反应的放热峰值温度,降低固化收缩率与线膨胀系数,减小内应力,有效地防止固化物开裂。 3、加入硅微粉能提高硬度,增加导热系数,降低产品成本。 4、硅微粉颗粒细,比表面积大,悬浮性能显著,无分层现象,有效地提高硅微粉使用范围十分广泛,如光学玻璃、电子封装、电气绝缘、油漆涂料、硅橡胶等行业。
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Silica micropowder
CAS number:unknown molecular formula:
overview
compound introduction
Specs
| Chinese alias | 二氧化硅 | ||
| English alias | Silicon dioxide | ||
| CAS number | unknown | molecular formula | |
| molecular weight | - | Exact mass | ≥99.8% metals basis |
| PSA | - | logp | - |
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