Elkem - logo

Grade 970 D for N America

Elkem Microsilica® Grade EMS 970 D is a dry, densified silica fume powder with a typical bulk density of 30 – 45 lb/ft3  (500 – 700 kg/m3).

Packing

Available in a range of packaging options, including:

  • 25 kg paper bags
  • Big bags in various designs & sizes
  • Bulk road tanker

Please contact our representative for more details. 

Storage requirements

Elkem Microsilica® Grade EMS 970 D should be stored in dry conditions and not exposed to moisture.  

Quality Assurance & Quality control

Elkem Silicon Materials’ Management System for development, processing and supply of Elkem Microsilica® is certified to ISO 9001.  The chemical and physical properties of Elkem Microsilica® are regularly tested.

Chemical and physical properties

PropertyValue
SiO2 Minimum 85 %
H2O Maximum 3 %
Loss on Ignition Maximum 6 %
Specific Surface Area Minimum 15 m2/g
+ 45 Micron Maximum 10 %
+ 45 Micron variation from averrage Maximum 5 %
Pozzolanic Activity Index, 7 days Minimum 105 %