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Anti yellowing Precipitated Silica Silicon Dioxide For Silicone Rubber

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Ecopower(Guangzhou) New material Co.,limited

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Anti yellowing Precipitated Silica Silicon Dioxide For Silicone Rubber

Brand Name : Ecopower

Model Number : SAI - 800

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 confirmation

Packaging Details : 10kg/bag

BET specific surface area m² / g : 150 -180

SiO2 % : ≥ 98

Color & Form : White Powder

DBP absorption Value cm3 /g : 2.0 - 2.7

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

Medium Size(D50)µm : 10 -14

Heating Loss at 105 oC 2h % Max : 4.0 - 8.0

Ignition Loss at 1000 oC 2h % Max : 7.0

Properties : High Anti-yellowing Exceptional Resistance to Heat-aging

Application : Silicone Rubber

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Antiyellowing Precipitated Silica Silicon Dioxide For Silicone Rubber

Product name: Precipitated silica

Type: SAI - 800

Synonyms: White carbon black, precipitated silica,silicon dioxide,SiO₂, hydrated silicon dioxide, hydrated silica

Chemical Properties

Precipitated silica SAI-800 is white powder 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.

• Cost-effective reinforcing strength
• Outstanding compression-set resistance
• Exceptional resistance to heat-aging
• Excellent tensile-strength, tear-strength and flex-fatigue resistance
• Reduced crepe hardening

Product Specification

Test Items	Values
Appearance	White Powder
SiO₂ content	≥ 98 %
Loss at 105 ℃ 2h	4.0 - 8.0%
Igniting Loss 1000 ℃ 2h Max.	7.0%
DBP absorption Value cm³/g	2.0 - 2.7 cm³/g
20μm Mesh residue on sieve Max	65%
60μm Mesh residue on sieve Max	75%
pH Value ( 5% aqueous suspension )	6.0 - 7.0
BET specific surface area ㎡/g	150 - 180 ㎡/g
Salt As Na₂SO₄ Max	0.7%
Total Fe mg / kg Max	200
Medium Size(D50)µm	10-14

Application

Precipitated Silica SAI - 800 is applied to silicone rubber compounders by providing:
1.More flexible inventory management through reduced shelf hardening
2. Faster, more efficient mixing and re-milling of elastomers
3.Less fly-loss-related product waste

4.High Anti-yellowing Exceptional resistance to Heat-aging

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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