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Silica Powder

Technical spec.:

Item
Unit
Description
Appearance
  
white powder
Silicon dioxide content
%
≥95.0
Moisture
%
≤8.0
Trioxide content
%
≤2.0
Loss on ignition (950-1000°C)
%
≤6.5
pH-value (10% suspension)
  
8.0-11.0
Fineness (45um screen floating)
%
≤1.8

Range of Application:

Mainly used in cement or concrete admixture to improve the performance of cement and concrete. It is used in the preparation of extra-high strength (C70 above), wear/corrosion/freeze concrete used in dams, large reservoir, railway, bridges etc. And silica fume can be used in the production of refractory materials and ceramics; used as filler for paints, coatings, resins, rubbers etc.


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