Ammonium sulfate
Test items Index
Exterior White crystalline
Nitrogen % ≥ 21
Water (H2O) % ≤ 0.2
free carbonic acid (H2SO4)% ≤ 0.03
Iron (Fe) % ≤ 0.007
Arsenic(As) % ≤ 0.00005
Heavy metal (pb) % ≤ 0.005
Water insoluble matter % ≤ 0.01
Packaging: 25kg、50kg、1000kg Weaving.
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Zinc phosphate |
Project Medicine raw material special-purpose Feed additive special-purpose Sweetening agent special-purpose Rubber special-purpose Paint special-p... |
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Sodium metabisulfite |
Test items Refined High-purity grade Food-grade Industrial-grade
Sodium metabisulfite % ≥ 98.5 98 97.5 97.0
Iron Fe % ≤ 0.0005 0.001 0.0015... |
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Toluene-2,4-diisocyanate |
Test items Index
Isocyanate % ≥99.0
Saponifiable chlorine % ≤0.01
Chlorine % ≤0.04
Crystallizing point℃ % 5.0-6.5
Chromaticity (Hazen... |
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Wearable steel ball |
Forged grinding steel balls
Size Surface Core
DIA 40-60 mm HRC60-64 HRC59-63
DIA 70-80 mm HRC60-64 HRC58-62
DIA 90-100 mm HRC60-64 HRC57-6... |
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Aluminum Tripolyphosphate |
Model APW-1 APW-2 ATP
Phosphorus pentoxide(%) ≥ 42.5-46.5 35.0-40.0 64-68
Aluminum oxide(%) ≤ 11.0-15.0 9.5-13.5 13-17
Silica(%) ≤ 13.5... |
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