BS6088 standards of glass beads

タイトルまたは説明

[Physical reference of The Glass beads for road marking] Appearance Colorless and Transparent ball, no visible bubbles and impurity Density 2.4~2.6g/cm3 Roundness >=*0% Refractive index >1.5 Composition Sio2>*8% [Use of The Glass beads for road marking] glass beads is used to the road mark line reflection. The nighttime car light projects light upon the road mark line, then according to the return of ray, car ray is reflected back. made mark line give out light. Good quality glass beads can obviously raise safety at nighttime. BS ***8 STANDARD Type Particle Distribution(um) Allow scope(g) Our scope(g) CLASS A >***0 0~3 0~2 ***0~**0 5~*0 *0~*0 **0~**5 *5~*5 *0~*0 <**5 0~*0 0~8 CLASS B >**0 0~5 0~3 **0~**0 5~*0 *0~*0 **0~**0 *0~*5 *0~*5 **0~**0 *0~*0 *0~*0 <**0 0~*5 0~8