2811220015
- Other inorganic acids and other inorganic oxygen compounds of non-metals
- Other inorganic oxygen compounds of non-metals
- Silicon dioxide
- Amorphous silicon dioxide (CAS RN 60676-86-0), - in the form of powder - of a purity by weight of 99,0 % or more - with a median grain size of 0,7 μm or more, but not more than 2,1 μm - where 70 % of the particles have a diameter of not more than 3 μm