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99% Purity Silica Matting Agent Pure SiO2 EINECS No. 231 545 4 For Leather

Guangzhou Quanxu Technology Co.,Ltd.



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99% Purity Silica Matting Agent Pure SiO2 EINECS No. 231 545 4 For Leather

Model Number : HF-640A
Certification : SGS/REACH/ASTM
Place of Origin : CHINA
MOQ : Negotiable
Price : Negotiable
Payment Terms : L/C, D/A, D/P, T/T
Supply Ability : 1000 Ton Per Month
Delivery Time : 7-10 WorkDays
Packaging Details : 10 KGS/BAG
Brand Name : SKYHIL
Material : Silicon Dioxide
CAS No : 7631-86-9
EINECS No : 231-545-4
Counter For : ED5
Application : Leather Coatings
Color : White Powder
Other Name : White Carbon Black
Surface Treatment : Inorganic
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Silica Matting Agent as White Powder CAS No.: 7631-86-9 Used For Leather Coatings


Silica Matting Agent specialized used for the PU/PVC matte finish leather coating. It is a micronized precipitated silica matting agent for both solvent-based and water-based system. It provides a medium-high viscosity with a pleasant matte finish. They resist dripping and offer excellent adhesion and high flexibility with wet-dry abrasion resistance.


1, Stable Chemical Property: As the matting agent is with high purity and low impurity, its chemical property is very stable.

2, Excellent Dispersion: The matting agent can easily disperse in both solvent and aqueous solution, the average high-speed pulsator with 10-20 M/S of the line speed, after 10 minutes can be ok.

3, High Matting Efficiency: It can reduce the gloss for the surface of leather, provide the better matte finish.

Chemical Data

Item TypeHF-640A
Content of sio2(dry basis) %,≥99.0
Porosity ml/g1.3-1.4
Oil absorption, g/100g , g/100g260-300
Particle Size, um(Malvent,D50)3.5-4.5
Loss on drying(105℃,2Hrs)≤5.0
Ignition loss(1000℃,2Hrs)≤6.0
PH(5% Liquor)6-7
Surface TreatmentNone


Leather surface coating, PU/PVC matte finish leather coating, solvent-based or water-based leather surface coating.


We are the largest production of silica gel in China, and focus on Paint/Coating Market about 25 Years. We have strict control of the batch quality, the physical index and performance are strictly tested before delivery. Will ensure that stable products of different batch.

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99% Purity Silica Matting Agent Pure SiO2 EINECS No. 231 545 4 For Leather Images

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