Micro Silica Fume

Micro Silica Fume Product Specifications

• Shelf Life Indefinite if stored under recommended conditions
• Density 2.2 Gram per cubic centimeter(g/cm3)
• Refractive Rate 1.46
• Storage Stored in dry cool areas protected from moisture
• Smell No distinctive smell
• Properties High pozzolanic reactivity ultrafine particle size high surface area and excellent dispersion
• Usage Added to concrete mixtures to improve strength reduce permeability and extend the service life of structures
• Appearance Grey to off-white powder
• Poisonous NO
• EINECS No 273-761-1
• CAS No 69012-64-2
• Ingredients Primarily silicon dioxide with trace impurities
• Taste Odorless and tasteless
• Molecular Formula SiO2
• Shape Amorphous particle shape
• Grade Industrial grade
• Melting Point 1610C (2920F)
• Application Used in concrete to enhance mechanical properties as a filler in polymers and as a pozzolanic material to improve durability in construction
• Purity Typically 85-98% depending on the source
• Molecular Weight 60.08 g/mol
• HS Code 28112200
• Solubility Insoluble in water soluble in hydrofluoric acid
• Ph Level Neutral to slightly acidic (4-7 depending on purity)
• Structural Formula Amorphous silica network
• Physical Form Fine powder