(1) Specs.: CaF2: 92% MIN SiO2: 6% MAX Size: 10-50mm 90% min Packing: 1.2 mtons per bag (2) Specs.: CaF2: 90% MIN SiO2: 8% MAX Size: 10-50mm 90% min Packing: 1.2 mtons per bag (3) Specs.: CaF2: 85% MIN SiO2: 14% MAX Size: 10-50mm90% min Packing: 1.2 mtons per bag (4) Specs.: CaF2: 75% MIN SiO2: 20% MAX Size: 10-50mm 90% min Packing: 1.2 mtons per bag