-- Roundness - The glass beads shall have a minimum of 70 percent true spheres.
-- Refractive index - The glass beads shall have a refractive index of 1.50 -1.55.
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Glass beads, conforms to AASHTO-M247
General information:
The beads shall be dry, free of lumps, clusters, transparent, clean, colorless glass, smooth and spherically shaped, free from milkiness, pits, or excessive air bubbles and conform to the following specific requirements.
-- Roundness - The glass beads shall have a minimum of 70 percent true spheres.
-- Refractive index - The glass beads shall have a refractive index of 1.50 -1.55.General gradation of Glass Beads
Type 0- shall be known as a uniform gradation.
Type 1- shall be known as a standard gradation.
Type 2,3,4 and 5 - shall be known as modified gradationsSpecific Properties.
The beads shall meet the gradation requirements for types as given in Table 1.
Sieve3 Designation
Mass Percent Passing
Standard. mm
Alternate No.
Type 0
Type 1
Type 2
Type 3
Type 4
Type 5
2.35
8
100
2.00
10
100
95-100
1.70
12
100
95-100
10-40
1.40
14
95-100
80-95
0-5
1.18
16
100
100
80-95
10-40
0-2
1.00
18
10-40
0-5
0.850
20
95-100
90-100
0-5
0-2
0.710
25
0-2
0.600
30
100
75-95
50-75
0.425
40
90-100
15-45
0.300
50
50-75
15-35
0-15
0.180
80
0-5
0-5
0.150
100
0-5
Table 1: Gradation of Glass Beads
Packing and storage
25kg plastic woven bag with PE inner
Additional Information:
Please contact with us if you require:
• Pricing and availability
• Or more specific information on this product or other products in the wide range of products manufactured by us
Above statements, technical information and recommendations contained herein is based on our present knowledge. It is intended to furnish general remarks on our products and their application. Therefore, the information should neither be taken literally nor as a guarantee for special characteristics of products or useful fields of application, and it implies no liability or other legal responsibility on our part,. We reserve the right to make any changes according to technological progress. If you have any questions or doubts please don’t hesitate to contact with us.
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Glass beads, conforms to AASHTO-M247
