MINERAL WOOL USED IN CATALYTIC CONVERTER WRAPS. COMPRISING OF ALUMUNA (111) OXIDE, 79.7 - 80.9 % , SILICA 19- 20 PER CENT.

CLASSIFICATION IS DETERMINED ACCORDING TO GIRS 1 AND 6. CN CODE 68061000.SLAG WOOL, ROCK WOOL AND SIMILAR MINERAL WOOLS. HSEN NOTES TO 6806 REFER.