Glass Beads for Road MarkingMy company's office space is above 2000 square meters, Our factory covers an area of 50,000-100,000 square meters.Our glass beads roundness above 85%.Orders more than 2 containers at one time, there are preferential !Company Certifications: ISO9001:2008;QS-9000;ISO14001:2004;KS;CE product standards GB/T 24722-2009 NO.1,2,3 KSL 2521 NO.1 and 2 and 3BS 6088 ClassA and ClassB AASHTO M247 type 1 and type 2EN 1423 and EN 1424 AS/NZS2009:2002Brizal Standard TT-B-1325 StandardJIS R3301 Austrilian Standard A,B,C,DAttention:Produce according to the client?s requestDetails of Physical and Chemical1. Composition :Soda lime glass2.appearance :colorless and transparent ,no obvious impurity3.Content:SiO^2>62%4.Density 2.4~2.6g/cm^35.Roundness >=85%6.Refractive index ND>=1.507.PH:7-88.Microhardness:>=630kg/mm^29.Hardness(Moh?s):5-7 10.size:44-1700 um