| 牌子的名字 |
Ruitong |
| 模式的数量 |
500 |
| 出生地 |
Liaoning |
the specification of talcum powder: Specification Super High Standard whiteness≥(%) 90 88 76 (Calcinewhiteness)≥(%) 91 90 88 (SiO2)≥(%) 61 60 57 (MgO)≥(%) 30 30 30 (Al2O3)≤(%) 0.5 0.6 0.8 (CaO)≤(%) 0.5 0.5 0.5 (Fe2O3)≤(%) 0.3 0.4 0.5 Loi≤(%) 6 7 10 Passingthrough 45(um)99% 45(um)98% 45(um)98%