HB-F
                        7789-75-5
                        CaF2
                        232-188-7
                        ISO
                        90%~99%
                        Heat-Resistant Material
                        Industrial Grade
                        Free
                        5-12days
                        1ton
                        Powder
                        HB
                        25 Kg 50 Kg Tons of Bags
                        CaF2 99%
                        Hebei, China
                        2529210000
                        


