The silica powder toughened is an electrician filler of toughness epoxy for epikote developing.

增韧硅微粉是为增韧环氧树脂而研制开发的一种电工级专用填料。

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The silica powder toughened is an electrician filler of toughness epoxy for epikote developing.

增韧硅微粉是为增韧环氧树脂而研制开发的一种电工级专用填料。

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