Asbestos-free mineral fiber

WSM is made of natural fibrous clay minerals by special proceeding. It is an inorganic functional material with a variety of industrial uses. Its main components are palygorskite [ Mg5Si8O20(OH)2 or Mg5(H2O)4(Si4O10)2(OH)2] and calcium metasilicate [CaO•SiO2 or CaSiO3].
Characteristics

Fibrous, asbesto-free

Large specific surface area, good adsorption ability

Excellent rheological and catalytic properties

Ideal colloidal properties and heat resistance

Physical Properties
Grade WSMA WSM20
Loose Density(g/cm3) 0.244 0.119
Tapped Density(g/cm3) 0.44 0.17
PH 8-9 8-9
Moisture(%) 4.0 7.0
Oil Absorption(%) 60 149
Refractability(℃） > 1380 > 1300
Whiteness 68 67
D50 11.60 7.24

Size Distribution

(Dry Sieving)

 - -
13.33 0.06
41 0.16
40.33 0.33
4.33 92.66
1.0 6.78

 

Chemical Specifications
Grade SiO2 Al2O3 CaO Fe2O3 MgO L.O.I. Total
WSMA 53.87 3.73 26.86 2.46 4.63 7.45 99
WSM20 58.72 8.59 3.57 3.78 10.80 13.57 99
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