Crystalline Silica Powder

Name: Crystalline Silica Powder
Brand: Maylynk
Availability: InStock

Made from natural quartz through fine grinding and classification, featuring high purity, high whiteness, uniform particle size and stable chemical properties. Widely used in coatings, rubber, plastics, adhesives and other fields.

Specifications

SiO₂ Content	≥99.5%
Whiteness	≥92
Particle Size (D50)	2-45μm
Mohs Hardness	7
Density	2.65 g/cm³
Moisture	≤0.1%
Oil Absorption	25-35 g/100g
PH Value	6.5-7.5
Loss on Ignition	≤0.3%
Conductivity	≤50 μs/cm

Product Models & Specifications

Model	Mesh	D50	Purity	Applications
CW-325	325 mesh	~44 μm	≥99.5%	CoatingsRubber
CW-600	600 mesh	~23 μm	≥99.5%	PlasticsCoatings
CW-1000	1000 mesh	~13 μm	≥99.6%	PlasticsAdhesives
CW-1250	1250 mesh	~10 μm	≥99.6%	Electronic PackagingCoatings
CW-2500	2500 mesh	~5 μm	≥99.7%	RubberPremium Coatings
CW-5000	5000 mesh	~2.6 μm	≥99.8%	Electronic GradePrecision Polishing

Applications

Coatings Rubber & Plastics Adhesives Precision Casting Building Materials

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FAQ

What is crystalline silica powder?

Crystalline silica powder is made from natural quartz through fine grinding and classification. It features high hardness and stable chemical properties, widely used in coatings, rubber, plastics and electronic packaging.

What mesh sizes are available?

Standard range from 325 mesh to 5000 mesh (D50 approx 44μm to 2.6μm). Custom grades are available upon request.

What is the purity?

Crystalline silica powder has purity ≥99.5%-99.8% with high whiteness and low impurities, meeting electronic-grade requirements.

Do you offer customization and samples?

Yes. We support custom D50 and purity, provide free samples for testing, with flexible MOQ.

Crystalline Silica Powder