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DESCRIPTION: SODIUM SILICATE POWDER (M.R 2.80-2.90)
This is to certify that we have inspected the quality of the above-mentioned goods made in China and found the result of inspection as follows:
TEST RESULTS:
Item | Test Standard | Test Result |
Na2O% | 21.00min | 22.72% |
SiO2% | 57.00min | 61.83% |
Na2O%+ SiO2% | 78.00min | 84.28% |
M.R | 2.80-2.90 | 2.84 |
Density | 0.55min | 0.55g/cm3 |
Whiteness | 90.00min | 94.02% |
The goods conform to our current specifications.
APPROVED
