That only comes up as a powder and not a sand
SILICA FILLER BS-50
Silica filler BS-50 presents fine-dispersed sedimentary Silicon dioxide. Its formula is m(SiO2)Ã"” n(H2O).
Brief Description
General appearance Fine-dispersed powder of white colour
Mass content of Silicon dioxide, min. percent 76
Mass content of moisture, max. percent 6.0
Loss of mass at tempering, percent 7.0-10.0
Mass content of Iron, on conversion to ferric oxide, max. percent 0.10
Mass content of Aluminium, on conversion to Aluminium oxide, max. percent 0.10
Mass content of chlorides (Cl-), max. percent 0.6
Mass content of Calcium and Magnesium, on conversion to Calcium oxide, max. percent 7.0
Mass content of alkalinity, on conversion to Sodium oxide, max. percent 1.8
pH of water extract 9.0-10.5
Density in bulk, gram per litre:
- for non-compacted silica filler 150-200
- for compacted silica filler 200-230
Specific surface, by phenol absorption, sq.m Ã"” s per gram 45± 10
Residue on sieve with 014K grid (as per GOST 3584-73), max. percent 0.15
Application
Silica filler of BS-50 type is used as a strengthening filler of synthetic and polymeric materials in tyre, rubber, chemical, consumer goods and other industries.
Packing and Transportation
Silica filler of BS-50 type is packed in bags. Bag net weight makes 20+0.5 kg.
Silica filler may be transported by all transportation means.
Guaranteed storage time constitutes six months after the manufacture date.