Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts

282612 Fluorides; of aluminium 282619 Fluorides; other than of aluminium 282630 Sodium hexafluoroaluminate (synthetic cryolite) 282690 Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts, n.e.c. in heading no. 2826