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High Transparent Precipitated Silica for Vulcanized Silicone Rubber and Thermal Insulation

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Ecopower(Guangzhou) New material Co.,limited

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High Transparent Precipitated Silica for Vulcanized Silicone Rubber and Thermal Insulation

Brand Name : Ecopower

Model Number : SAI - 773

Certification : ISO9001,ISO14001,ISO/TS 16949:2009

Place of Origin : China

MOQ : Negotiation, MT

Price : USD,Price Negotiation

Payment Terms : D/A, D/P, L/C, T/T

Supply Ability : 180000 MT/year

Delivery Time : two weeks after order

Packaging Details : 20kg / bag

Application : Vulcanized Silicone Rubber

Property : High tranparent

Total Fe mg / kg : ≤ 200

DBP absorption Value cm³ / g : 2.0 - 2.7

BET specific surface area m² / g : 160 - 210

Salt As Na2SO4 % : ≤ 1

pH Value ( 5% aqueous suspension ) : 6.0 - 7.0

Ignition Loss at 1000 ℃ % : ≤ 7

Appearance : Pure white powder

Synonyms : White carbon black

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High Transparent Precipitated Silica for Vulcanized Silicone Rubber and Thermal Insulation Material

Product name: Precipitated silica

Similar Name: White carbon black, precipitated silica, silicon dioxide, SiO₂, hydrated silicon dioxide

Type: SAI - 773

Chemical Property

White powder precipitated silica by selection of raw materials,with high purity and 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.

Product Specification

Item	Specification
Appearance	White Powder
BET specific surface area m²/ g	160 -210
Salt As Na₂SO₄ % Max	1
SiO₂ ( Dry Basis ) % Min	98
Heating Loss at 105 ℃ 1.5h % Max	4.0 - 8.0
Ignition Loss at 1000 ℃ % Max	7.0
pH Value ( 5% aqueous suspension )	6.0 - 7.0
DBP absorption Value cm³ / g	2.0 - 2.7
Total Fe mg / kg Max	200

Application

SAI -773 is applied widely for high temperature and room temperature vulcanized silicone rubber .It has high transparent,good antiyellowing effect,good thickening effect,and better reinforcement effect.

Package and storage

1. Package:10kg / bag.

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

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

Product Tags:

silicon dioxide

amorphous silicon dioxide

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