It can improve the performances as strength, temperature resistance, insulation and flame retarding capacity as Inorganic filler

1. Brief Introduction Silica micropowder is made of natural quartz, with good electromagnetic radiation, extreme-low linear expansion coefficient, good chemical resistance and stability. Its average size is upon your demands from D503 to 40um, and we also can offer surface treatment to improve the performance of Silica micropowder, including compatibility with polymer, hydrophobicity, mechanical properties and mechanical features.

2. Technical indexes

Item	Unit	Specification
SiO2	%≥	98
AL2O3	%≤	0.3
Fe2O3	%≤	0.02
TiO2	%≤	0.001
Density	g/cm3	2.65
Mohs' hardness	Mohs	7
Moisture	%≤	0.2
Whiteness	>	90
PH value		6~7

3. Uses

It can be used in plastic, rubber, adhesive and laminated sheet to improve the performances as strength, temperature resistance, insulation and flame retarding capacity. Now, it is mainly used in epoxy embedding, encapsulating material, epoxy-bakelite laminated sheet, silicone rubber, unsaturated polyester reinforced materials, rubber, coating and optical glass industry.

4.Packing

Net wt 25kgin PE film lined PP woven bag.

inorganic filler silica micropowder