Felcosil-195 Powder Precipitated Silica in Tire

Silicon dioxide is a kind of super fine precipitated silicon dioxide (known as silica) made by special processing technology. It has excellent reinforcement and dispersion; many years of production practice shows that it can replace fully or partly expensive fumed silica which has greatly reduced customers' production cost.

Item NO.:
Felcosil-195P
EINECS No:
238-878-4
CAS No.:
10279-57-9
Chemical Formula:
SiO2
Surface BET (m²/g):
175-205
Properties:
1. Ultra-fine, High transparency, Light-absorbing, Color pure; 2. Narrow particle size range, no huge particle, Good anti-sinking, Low oil absorption; 3. Large Specific Surface Area, Strong reinforcement; 4. Eco-friendly, No heavy metal, RoHS standards met; 5. Cost-effective, Full or partial replacement of high price similar products.

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Product Name

SiO2, Precipitated Silica, White Carbon, Silicon Dioxide, Conventional Silica Powder, Granular Silica

Chemical Properties

White powder form, it can be dissolved by NaOH, HF. Other kinds of acid, water and solvents cannot dissolve the product.

Resistance to high temperature, no combustion, good insulation, odourless properties.

Specifications

Items	Specification
Appearance	White Powder
Loss at 105°C 2h %	4.0-8.0
Igniting Loss 1000°C 2h % Max.	7.0
DBP absorption Value cm3 /g	2.00-3.50
45 Mesh sieve residue % Min	0.5
pH Value (5% aqueous suspension)	6.0-8.0
SiO2 % Min	97
BET specific surface area m2/g	180-210
Salt As Na2SO4 % Max	2.0

Application

Felcosil-195P is a versatile inorganic chemical which is used for reinforcement of Shoemaking, Rubber Roller and Tyre industries.

With high BET specific surface area, it displays high reinforcement when being used in rubber products, improve the hardness, abrasive resistance and tearing strength, which can extend its life.

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