2811220080
- 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 112926-00-8), -in the form of powder, -of a purity by weight of 98 % or more, -with a median grain size of 150 μm or more, but not more than 250 μm, -where 90 % of the particles have a diameter of more than 3 μm, for use in the manufacture of tyres