стеклянные шарики для взрывных

Improve the road marking line contrary reflection function. When driving at night, the lamp shines on the marking line with glass bead in it, the ray of lamp is reflected back back parallely. So the driver can look at the road clearly and drive safely at night. Product Specification The main products: 1.No.1-3 beads size distribution according to JT/T 446-2001 Standard of Chinese TraffiMinistry. Table 1 Glass bead Size Distribution (JT/T446-2001 International Standard)ItemGlass bead size scope(μm)Glass bead quality percentage(%)1>8500850-6005-30600-30030-80300-10610-40<1060-5 2>6000600-30040-90300-1505-60<1500-53>2120<900-42.Products according to international standard include: BS6088, EN1423&EN1424, AASHTO, JIS R3301, AS/NZS 2009:2002, KS, etc. 3.You can choose different size glass bead between 50μm-1180μm according to different funcition. Technical references Appearance: Colourless and transparent ball, no visible bubbles and impurity. Spherical beads:≥80%(600< Sieve size< 850um,spherical beads≥75%) Density:2.4-2.6g/cm3 Refractive index:Nd≥1.50 Glass bead composition:The glass bead is made of sodium and calcium. SiO2 Min 68% 1.Using double-deck package, the inner is polythene film, 25 kgs in one bag comparison table of international standard sieve size and mesh. Standard sieve size(μm)Standard Mesh11801685020600304254030050212701808015010010614090170