glass beads for road marking paint
USD $600 - $800 /Kilogram
Min.Order:1000 Kilograms
Zhejiang Brother Guidepost Paint Co., Ltd.
1.chemical composition
SIO2 : 67%-72% , AI2O3 2%- 2.5% , CAO 6%-8% ,MGO 3%-4%, NA2O 13%-15% , BAO ,TIO2 ,R2O FE2O3
2.Standard
APPEARANCE CLEAN, APPARENT, NO OBVIOUS IMPURITY
REFLECTION INDEX 1.5-1.61
GRAVITY 2.4-2.6 G/CM3
COMPOSITION SODIUM LIME GLASS
SIO2 CONTENT >62%
ROUNDNESS >75%