asbestos free sepiolite
Sepiolite is a silicate claymineral in fibre which is rich in magnesium, andt it is also called magnesium and silicate mineral in moisture chain layers.It can be divided into soil Sepiolit(stereoplasm Sepiolite)came from deposition an massiveness Sepiolit(Light Sepiolite)came from hydrothermal deposit.
The sepcific gravity of the lightness is 2-2.3,hardness is 2-2.5. Poisonless and odourless, it is harmless to people. Its melting point is 1500-1700,so its heat resistant. It is low in contraction, but high in plasticity. It dissolves in hedrochloric acid .It is insulant and salt resistant,ect.
Chemical composition
Composition | AI2O3(%) | Fe2o3(%) | Cao(%) | MgO(%) | Gap(%) | Pulp(%) | Decolour(%) | Adtivitycoefficiency(%) |
40-55 | 0.2-2.2 | 0.3-2 | 2.5-20 | 17-25 | 32-48 | 60-105m3/t | 10-15 | 35-55 |
asbestos free sepiolite