国产农村妇女精品一二区,国产在线观看一区二区三区,99riAV5在线观看视频,久久91精品国产91久久久,一本色道久久88加勒比—综合

Special glass beads for two-component marking

The glass bead for two-component marking coating is a kind of high-performance coating reflective material developed on the basis of absorbing foreign advanced technology. It uses high-performance organic silicon material to produce glass beads by special

  • Product name：Special glass beads for two-component marking
  • Appearance：Colorless, transparent, without obvious bubbles and impurities
  • Water resistance：The consumption of 0.1N hydrochloric acid is 10ml, and the surface of glass bead is not dark
  • Roundness：Rounding rate ≥ 85%
  • Refractive index：Nd ≥ 1.50
  • Density：2.4-2.6g/?cm3
  • Main components：The content of SiO2 is more than 68%

The glass bead for two-component marking coating is a kind of high-performance coating reflective material developed on the basis of absorbing foreign advanced technology. It uses high-performance organic silicon material to produce glass beads by special process. After coating, the glass beads have better performance.Special glass beads for two-component marking

Technical parameters:


Appearance: no color transparent sphere, smooth and round, no obvious bubbles or impurities; roundness index: roundness index ≥ 85%; density: 2.4-2.6g/cm3; refractive index: Nd ≥ 1.50;


Glass composition: calcium sodium glass composition, SiO2 content > 68%;


Water resistance: the consumption of 0.1N hydrochloric acid is 10ml, and the surface of glass bead is not dark;


Coating performance: after soaking in water for 30 seconds and drying at room temperature for 2 hours, it can pass through the funnel smoothly.


Packing:


Double layer bags shall be used for packaging. The inner bag shall be polyethylene film with thickness not less than 0.5mm. The outer bag shall be plastic woven bag to prevent leakage and moisture. Net weight of each bag 25 ± 0.2kg


国产农村妇女精品一二区,国产在线观看一区二区三区,99riAV5在线观看视频,久久91精品国产91久久久,一本色道久久88加勒比—综合