Type 3 glass beads for drop on and intermix
Type 3 glass beads with high retroreflectivity minimum in 600mcd, apply for roadmarking paint like thermoplastic, MMA, waterborne paint, ect. Conform to American standard AASHTO M247, as larger wet-weather beads also improves visibility of wet night condition.
Horizental furnace, vrigin glass beads are made by new glass materials, not recycled one.
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Direct melt virgin glass beads
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No heavy metal contents
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Low air inclusion
Specification
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Appearance
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Light blue transparent glass beads
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Refractive Index
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1.51~1.52
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Density
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2.5±0.01 g/cm³
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Compressive Strength
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700-850Mpa
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Chemical Composition
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SiO2，Al2O3，CaO，MgO, Na2O,
K2O, Fe2O3，S O3
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Roundness
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> 85%
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Extraneous paticles
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< 3%
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Size range
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850-1400um
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Application
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Intermix or drop on
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Surface treatment
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Uncoated
Waterproof coating (Silicon)
Adhesive coating (Silane)
Blend waterproof and adhesive coating
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Packaging
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25kg paper bag or
1 ton sack
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Application
Package
Factory view
