Wollastonite powder

Wollastonite powder processing surface chemical treatment products manufacturers and suppliers, Wollastonite powder & after finishing high aspect ratio (10:1-20:1), high white, the characteristics of high activity. Has been widely used in plastics, rubber, paints, ceramics, friction materials, insulation materials, construction materials other industries.
Acicular wollastonite powder Products List:

Item SiO2 CaO  Fe2O3 white  (%) aspect  ratio  (%) Loss  on  Ignition  Loss
80-1250mesh 50-51 45-46 ≤  0.2 93 10:1  to  20:1 ≤  2.00

 

Wollastonite-ceramic  products  (200-325  mesh)  main  physical  and  chemical  indicators  (%):

Item SiO2 CaO Fe2O3   Al2O3 MgO S P Loss
A ≥  49 ≥  46  ≤ 0.3 ≤  0.8  ≤  0.8 ≤  0.01 ≤  0.01  ≤  1.5
B ≥  50 ≥  43 ≤  0.35 ≤  0.8 ≤  0.8 ≤  0.01 ≤  0.01 ≤  3
C ≥  51 ≥  40 ≤  0.35 ≤  0.8 ≤  0.8 ≤  0.01 ≤  0.01   ≤  5

Wollastonite-metallurgy casting powder:

Item SiO2 CaO Fe2O3   Al2O3 MgO S P Loss Whiteness
80-325mesh ≥  50 ≥  45 ≤ 0.2 ≤  0.8 ≤  0.8 ≤ 0.001 ≤ 0.001 ≤  1.8 93

 

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