Стеклянные бусины для дорожной разметки Line и абразивный бла

Glass beads have many uses detaild as follows: 1, For road marking line, succesfully supplied withor conform, equivalent many countries. JT/T446, 2001; BS6088, 1981; ASTM AASHTO; AS/NZS 2009:2002; and JIS R3301. and any buyer's option. 2, As abrasive materials, widely used for blasting; metal cleaning, polishing andpeaning processes. spec for references: (BS6088 Class C. in micron) No. 1; 850-425; No.2, 425-250; No.3, 300-180; No4, 250-150; No.5, 212-106; No.6, 150-75; N0.7, 106-53; N0.8, 90-45; No.9, 53-45 3, For artistic (size in cm) 1-1.5, 1.5-2; 2.2.5; 2.5-3; 3-3.5, 3.5-4)Specification: Appearance: Round, Clean, Transparent and free of bubbles and foreign matters Density: 2.42.6g/cm3 SiO2: 62-70%min Roundness: 70%min, <425, 80% Index of refraction: 1.5min Waterproof: neutralized by 0.01N HCL<10ml PH: 7.2 Micro hardness 630KG/mm2Manufactured by Yongqing Ziguang Glassbeads Co., Ltd.