Talcum
High grade for Medical and cosmetic purpose
Characteristic:
White, fine powder without grittness, odourless with greasy feeling when touch by hand. Un-soluble in water, hydroxide alkali liquid, dilute mineral acid.
Spec: (325mesh)
items |
standard |
Items |
Standard |
Identification |
Positive |
Water |
0.5% max |
Power of hydrogen |
neutral reaction |
Loss on ignition(1000 ) |
6% max |
White content |
90% min |
Asbestos |
Nil |
Water- soluble matter |
0.1% max |
Molysite |
Conform |
Percent of pass 325mesh |
98% min |
Bacteria |
500pcs/g max |
Acid - soluble matter |
1.5% max |
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