Hydrophilic high purity spherical silica powder

Hydrophilic high purity spherical silica powder 1)SiO2(purity):99.5% 2)Particle size:10-30nm 3)super Hydrophilic

Hydrophilic high purity spherical silica powder1. Characteristic

hydrophilic silica is a white and colloidal micro-particle with its primary micro-particle from 10-30nm and has obvious properties such as thixotropy, reinforcing, thickening and filling etc. and is  insoluble  in all kinds of solvents and liquids except hydrofluoric acid and concentrated bases. 

2.Specification

SiO2%(950°C2h)	PH value	particle size	appearanc
Min 99.5%	5~7	Max 30nm	White minute of power

3.Application	suggested volumn of addition
heat vulcanized(HTV)silicone rubber	10~40%
vulcanized elastomer of room temperature(silican rubber,polyurethane)	3.0~20%
Coating(crylic acid,epoxy,polyurethane)	0.8~5 %
Heat protection, anticorrosive coating	2.0~5%
gravure printing ink, surface printing ink	0.5~2.5%
	0.1~2.5%
adhesives	1.0~2.0%
Power coating	(Inside)0.8%~2.5% (outside)0.1%~0.3%

4. Packing

packedth multi-layer paper plastic compound bag with net weight of  5 kg, or packed by whole plastic seal for users having special demand on water content.

 

5. Store and transport

 placed in vent and dry storehouse and prevented from humid, water, pressure and throwing during transport.

Hydrophilic high purity spherical silica powder