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Description:We currently have 22MT of fumed silica available in 2 seperate lots. One of 4MT and the other of 18MT. We have technical data for the smaller lot only but they are of the same manufacturer. Price is USD $4.65/kg CIF your main port. Here are the specs:
SiO2 content - >99.8%
Loss on ignition at 1000C/2h - <2
Density of SiO2 - 2200g/l
Refractive Index - 1.46
Silanol group density - 2
BET-surface area - 360 - 440
pH, in 4% aqueous dispersion - 3.8 - 4.3
Tamped density - ca.40
Loss on drying (2h at 105C) - <1.5
Sieve Residue - <0.04
Packing is in 10kg bags for the 4MT lot, and 20kg bags for the 18MT lot. Samples are available. Please provide full address and contact info for samples. Payment terms are by Irrevocable L/C 100% at sight on any major New York Bank.
Sell Fumed Silica
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