HS Code 2528.00
Natural borates and concentrates thereof (whether or not calcined), but not including borates separated from natural brine; natural boric acid containing not more than 85 % of H3BO3 calculated on the dry weight
2528.00.00
General Duty: Free
Borates, natural and conc., but n/incl. borates from nat. brine; nat. boric acid w/not over 85% H3B03 by dry weight
2528.00.00.05
KGS
Natural sodium borates and concentrates thereof (whether or not calcined)
2528.00.00.10
KGS
Natural calcium borates
2528.00.00.50
KGS