We have high quality natural soap stone/talc powder. We offer them in highest chemical purity and talc content in lumps & pulverized form as per the required specification.
brightness : brightness in talc grades is available from 70 % to 98%
the chemical specification of talc given below is for reference. This range is based on the test reports of 0ur product but we have the capability to also mould the range as per the customers requirement.
parameters
range
loss on ignition
4-5% max
loss on drying
0.0005
mgo
29.5
sio2
61.5
fe2o3
2.56
cao
0.56
soluble salts
0.002
al2o3
0.0055
acid soluble substance
0.025
ph (at 10%)
8.5 – 9.5 max
arsenic
nil
asbestos fibers
nil
mesh
200 – 1000
brightness
78 – 98%