Bitesphere AASHTO M-247
BRITESPHERE Reflective Glass Beads are used for road marking paints to provide excellent retro-reflective performance and durability.
BRITESPHERE Glass Beads are consistent in quality and composition. Strict quality control guarantees truly round glass beads for optimum reflection.
BRITESPHERE Glass Beads are available in various coatings to ensure flotation and adhesion or to resist agglomeration.
• Silicone Coating
• Silane Coating
• Dual Coating
The surface of coated glass beads has been treated with high quality organic material, providing the following advantages:
• Prevents water absorption.
• Significantly improves reflection in wet weather.
• Increases working and application efficiency because the coating prevent the glass beads from clogging.
• Enhances the bonding of the beads with paint and thermoplastic.
• Prevents the beads from settling down in dispensing equipment.
Appearance
Colourless and transparent; no visible bubbles and impurities.
Spherical bead: guaranteed 70% roundness, actual Average 85%
Density: 2.4 – 2.6g/cm3
Refractive Index: 1.50
Typical Standard Bead Sizes
AMERICAN STANDARD (AASHTO M-247)
|
|
Type 1 |
Type 2 |
Mesh |
Micron |
Passing |
Passing |
20 |
850 |
100 |
|
30 |
600 |
75-95 |
100 |
40 |
425 |
|
95-100 |
50 |
300 |
15-35 |
50-75 |
80 |
180 |
|
0-10 |
100 |
150 |
0-10 |
|
The glass beads are processed and screened according to International Standards:
AMERICAN AASHTO.
Packaging
In multiply paper bags; 55lb (25kg) per bag.
40 bags = 2,200lb are packed in a Super Sac.
Custom screened and larger sizes available on request.
OPTA MINERALS has production and warehouse facilities in the following locations: Brantford, ON; Waterdown, ON; Lachine, QC; Laval, QC; St-Bruno-de-Guigues, QC; St-Germain-de-Grantham, QC; Norfolk, VA; New Orleans, LA; Los Angeles, CA; Hardeeville, SC; Attica, NY; Baltimore, MD; Keeseville, NY; Walkerton, IN; Milan, MI; Richfield, OH. |
