The following specification parameters will be stated on our Certificates of Analysis.
Property |
Unit |
Specification |
Analytical Method |
Visual appearance |
– |
Free-flow white powder |
Internal method SM 18 |
Whiteness |
% |
Min. 95.0 |
Internal method SM 04 |
Average Particle Size (Laser diffraction) |
mm |
4.0 ± 10% |
Internal method SM 06 (Following ISO 13320:2009) |
pH value |
– |
7.0 ± 1.0 |
Internal method SM 01 (Following DIN EN ISO 787-9) |
Loss on drying (160°C 2h) |
% |
Max. 5.0 |
Internal method SM 02 (Following DIN EN ISO 787-2) |
Total volatile (950°C 2h) |
% |
Max. 8.0 |
Internal method SM 03 (Following DIN EN ISO 3262-19) |
Residue on 45mm sieve |
% |
Max. 0.01 |
Internal method SM 12 (Following DIN EN ISO 787-18) |
The following typical properties data are given for informational purposes only, and are not to be interpreted as product or in-process specifications.
Property |
Unit |
Typical Value |
Analytical Method |
Oil adsorption |
ml/100g |
320 ± 10% |
Internal method SM 05 (Following EN ISO 787-5) |
Pore volume |
ml/g |
1.6 |
Internal method SM 13 |
Test methods are available on request.