... glass marbles per year, including A-glass marble, C-glass marble and E-glass marble.Usage:Based on ... %Fe2O3:=0.5%CaO:16.6+/-0.3% MgO:4.6+/-0.3%R2O: =0.8%B2O3: 8.8 ... ~400(Eglass)/210~250(Cglass) Payment Terms: L/C,T/T,D/PMinimum Order Quantity: 10 TonSupply Ability:12000Ton/year ... Delivery Time:15daysbest regardslinkyGlass Marble,E-Glass Marble,C-Glass Marble,Decorative Glass Marble, Gun Marble,Glass Ball ...