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High Anti Yellowing Silica Felcosil- 800 in Silicone Rubber

White powder precipitated silica by selection of raw materials, with low iron raw materials. It can be dissolved by NaOH, HF. Other kinds of acid, water and organic solvents cannot dissolve the product. Resistance to high temperature, no combustion, good insulation, odourless properties.

Item NO.:
Felcosil-800
EINECS No:
238-878-4
CAS No.:
7631-86-9
Chemical Formula:
SiO2.nH2
Surface BET (m²/g):
130-160
Properties:
Transparency good reinforcing, High anti-yellowing

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High Anti Yellowing Silica Felcosil-800 in Silicone Rubber

Medium Partical Size: 10-14um and BET specific surface area 130-160 m²/g

High Anti Yellowing silica Chemical Properties

Specifications

Items	Specification
Appearance	White Powder
BET specific surface area m2/g	130-160
Salt As Na2SO4% Max	0.7
SiO2 % Min	98
Heating Loss at 105°C 2h % Max	4.0-8.0
Ignition Loss at 1000°C h % Max	7.0
pH Value(10% aqueous suspension)	6.0-7.0
DBP absorption Value cm³/g	2.0-2.7
Total Fe mg/kg Max	200
Medium Size(D50) µm	10-14

High Anti Yellowing Silica Application

Felcosil-800 take better reinforcement effect on high temperature vulcanized silicone rubber. It has high transparent, good antiyellowing effect, and good processability properties.

SiO2, Precipitated Silica, White Carbon, Silicon Dioxide, Co

nventional Silica Powder, Amorphous Precipitated Silica, Micro pearl precipitated silica

High Anti Yellowing Silica Felcosil-800 in Silicone Rubber

1. Package: 10 kg/bag.

2. Storage: Kept in a low temperature, dry and ventilated place, avoid direct sunlight.

3. Shelf life: One year in ventilating, cool and dry area.

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