πŸ‡ΊπŸ‡Έ United States

6815994110

Containing by weight more than 70 percent magnesia, expressed as MgO, with carbon content ranging from trace amounts to less than 30 percent, and chemically bonded by resin or pitch

Details

Parent HS6
681599 Stone articles and articles of other mineral substances; n.e.c. or included in heading no. 6815