Reflective Material Type:
Glass Beads
Material:
Glassbead
Application:
Road Signs
Color:
White
Trademark:
Farcera
Origin:
P. R. China
Grinding glass beads is made of glass as raw material by crushing particular, sintering, with a smooth surface, uniform size, high hardness, wear resistance, stability and other characteristics. Widely used in dyes, paints, inks, chemical and other industries dispersant, grinding media and filler materials;
Appearance: colorless, transparent, approximate circle sphere, rounded and smooth, no obvious bubbles impurities.
Circularity: round rate of ≥90% Density: 2.5g/cm3 Refractive index: Nd≥1.50, Nd≥80 Chemical Composition: soda lime glass, Sio2 content of > 68%, Mohs hardness 6-7;
Mechanical properties: compressive strength 3300kg/cm² Microhardness:(indentation hardness) 8000kg/cm2 Chemical properties: Acid resistance:20% HCI solution in4 hours boiling loss0.005mg/cm3; alkali solution in 1% NaOH loss 0.3mg/cm 3 boiled four hours Usage 0.4-0 .8 mm for oilfield oil fracturing proppant, improve oil yield.0.8-2.0mm for clay, deep processing of TSP dispersants.2.0 -6.0 for the chemicals, dyes, paints, inks production sander scored powder.
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