|
Physical and chemical indicators |
C6050 |
C6550 |
|
Appearance |
White powder, no lumps and impurities |
|
|
Fineness (150μm pass rate) |
≥92% |
|
|
Moisture content |
≤5% |
|
|
Ash |
≤1.5% |
|
|
Light transmittance |
≥80% |
|
|
pH (1% aqueous solution) |
5.0-7.5 |
|
|
Viscosity (2%, 20℃, Brookfield LV) |
40-60 mPa·s |
|
|
Methoxy content% |
28.0-30.0 |
27.0-29.0 |
|
Hydroxypropyl Content% |
7.0-12.0 |
4.0-7.5 |