more durable wholesale factory directly offer high quality road safety glass beads for road marking paint. premix ... Specification: JT/ T446-2001 No.1, 2, 3; KSL 2521 No.1 and 2; BS6088 Class ... 's request.3) Technical information, Appearance: Clean, transparent, no obvious impurity Composition: Soda lime glass Density: 2 ... net weight of each is 25±0.2kg. 3.Using double-deck package, the inner is polythene ...