 |
|
| |
Physical and chemical indicators：
Project | Index |
Powder (Silicon Dioxide) | |
50% | |
Main content，% | ≥50 |
carrier | Silicon Dioxide |
Particle size (850μm)，% | ≥90 |
Loss on drying，% | ≤18 |
Ignition residue，% | - |
Ethylene glycol，% | - |
Total free amines,% | ≤0.03 |
Heavy metals (as Pb)，mg/kg | ≤20 |
Total Arsenic (As)，mg/kg | ≤2 |
Physical and chemical indicators：
Project | Index |
Powder (Silicon Dioxide) | |
50% | |
Main content，% | ≥50 |
carrier | Silicon Dioxide |
Particle size (850μm)，% | ≥90 |
Loss on drying，% | ≤18 |
Ignition residue，% | - |
Ethylene glycol，% | - |
Total free amines,% | ≤0.03 |
Heavy metals (as Pb)，mg/kg | ≤20 |
Total Arsenic (As)，mg/kg | ≤2 |
