Chemical Formula：
SiO₂ · nH₂O (hydrated silicon dioxide)
Molecular Weight：
60 g/mol (calculated as SiO₂)
Implementation Compliance：
Industrial Standard: Technical Requirements for Silica Industry (GB/T 14486-2017)
Product Overview：
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Appearance: White amorphous fine powder
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Particle Size: 5–40 nm
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Structure: Porous
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Density: 2.1–2.65 g/cm³
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Melting Point: 1750 ℃
Applications：
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Rubber Industry:
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Used for tire and shoe sole reinforcement as an alternative to carbon black
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Daily Chemicals/Paints:
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Serves as thickeners, matting agents, and pigment fillers
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Food Industry:
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Acts as an anticaking agent and carrier (high purity required)
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Others:
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Used in pesticides, papermaking, fire-fighting agents, inks, etc.
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Packaging & Storage：
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Packaging: Commonly in 25 kg/bag (PP woven bag lined with film), with other specifications including 10 kg, 500 kg, etc.
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Storage Conditions: Store in a cool, dry place, away from moisture and dust to prevent powder from flying.