FUMED SILICA, SiO2, organic silica

Silicon Rubber: Improves silicon rubbers durability, rebound rate, and anti-distortion performance.


Plastics Industry: Improves plastic s tenacity, strength and prevents water absorption.


Coating Industry: Prevents agglomeration and drip. Thixotropic additives. Increase denseness and smoothness of paint.


Medicine Industry: Increase denseness ,floating , carrying function in medicine. It also can be used as the pesticide powder and anti-agglomeration.


Item
Index

A-100
A-130
A-150
A-200
A-250
A-300
A-380
A-450

Apparent
White solid colloidal micro-particle

Specific surface, m2/g
100+/-15
130+/-15
150+/-15
200+/-25
250+/-25
300+/-30
380+/-30
450+/-30

pH value
3.6-4.3
3.6-4.3
3.6-4.3
3.6-4.3
3.6-4.3
3.6-4.3
3.6-4.3
3.6-4.3

Heating loss weight, %(m/m) í_
1.5
1.0
1.0
2.0
2.0
2.0
2.5
2.5

Burning loss weight, %(m/m) í_
1.0
1.0
1.0
2.0
2.0
2.0
2.0
2.0

Apparent density, g/l
30-60
30-60
30-60
30-60
30-60
30-60
30-60
30-60

mP.s
100-200
100-200
200-500
500-1000
700-1500
700-1500
1000-2000
1000-2000



Uses:

It is used widely in silicon rubber, construction sealant, coating, electron and electric, aerospace, medicine and medical material, resin processing, printing ink, pesticide and other industries.


A-100~150: Used widely in silicone acid rubber, sulfurized silicone rubber at ambient temperature

(low moisture content ), silicone neutrl rubber.


A-200~300: Used mainly in sulphurized silicon rubber at high temperature, organic silicon

defoaming agent, high oil ink, power coating, powdered of flake preparation, cosmetics and so on.


A-380~450: Used mainly in high transparent and tear resistance silicon rubber, silicon ester, enclosed materials for capacitors and so on.


Packing: 10kg/bag


Store and Transport:

Placed in a vent and dry storehouse and prevented form humid, water, pressure and throwing during transport


10kg/bag