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Better Weathering Amorphous Form Of Silica , 6.0 - 8.0um Particle Size Amorphous Silicon Dioxide

Categories Precipitated Silicon Dioxide
Brand Name: SKYHIL
Model Number: HF-350
Certification: SGS / ROHS / ASTM /REACH
Place of Origin: China
MOQ: Negotiable
Payment Terms: L/C, D/A, D/P, T/T
Supply Ability: 1000 Ton Per Month
Delivery Time: 7-15 Days
Packaging Details: 10kg/Bag, kraft paper bag
Price: Negotiable
Material: Silicon Dioxide
Color: White Powder
Application: Coating Additives
CAS No: 7631-86-9
EINECS No: 231-545-4
Other Name: Coating Silica
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Better Weathering Amorphous Form Of Silica , 6.0 - 8.0um Particle Size Amorphous Silicon Dioxide

Precipitated Silica For Coating and Ink


Description


1, Precipitated Silica in Coatings widely used as thickening agent, anti-settling agent and matting agent. It also improves abrasion resistance, glossiness and stability.


2, The production of precipitated silica starts with the reaction of an alkaline silicate solution with a mineral acid. Sulfuric acid and sodium silicatesolutions are added simultaneously with agitation to water. Precipitation is carried out under alkaline conditions. The choice of agitation, duration of precipitation, the addition rate of reactants, their temperature and concentration, and pH can vary the properties of the silica.


Chemical Data


Item TypeHF-205
Content of sio2(dry basis) %,99
Porosity ml/g≥1.2
Oil absorption, g/100g , g/100g270-320
Particle Size, um(Malvent,D50)6.0-8.0
Loss on drying(105℃,2Hrs)≤5.0
Ignition loss(1000℃,2Hrs)≤6.0
Whiteness93
PH(5% Liquor)6-7

Application:


1, Unsaturated Polyesters: Avoid drop lets and wrinkles.

2, Pigment: Prevents precipitation, improves dye absorption, and improves the dispersion ability.

3, Emulsion Paint Filler: Improves thermal stability.

4, Ink: Matting Agents, improved non-setting properties, dispersion, suspension and abrasion resistance.

5, Printing Ink: Improve the printing effect, eliminating influence of non-dispersed ink penetration. Improve the wash ability, and the glossiness.

6, Powder coatings, Atomic dust coating, Priming paint, Mastic coatings.


Characters


1, Easy to disperse, it make the surface of the coating with unique features.

2, Excellent thixotropic, better thickening and anti-settling.

3, Greater flexibility when you add the silica.

4, Better weathering.



Quality Better Weathering Amorphous Form Of Silica , 6.0 - 8.0um Particle Size Amorphous Silicon Dioxide for sale
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