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| MSP-35 |
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| filler used for various polymer. |
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Silica content as SiO2: 99.5% min.
Specific S.A.: 1.6 +-0.2 sq.m/g
Loss at ignition 1000oC : 1%
pH Value: 6-8
Sieve residue 325 mesh: 0.2% max
Al2O3: 0.1% max.
Na2O: 0.02% max.
Fe2O3: 0.15% max.
Sulphur as SO4: 0% |
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