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reflective glass beads for road marking material
Basic Info
Product Description         - The beads is transparant clean colorless glass smooth spherically shaped,free from milkiness,pits,or excessive air bubbles and conform to the following specific requirements. - Material of bead s is clear and colorless commercial grade soda lime glass cullet that has been cleaned to remove any opaque particulate and other matter that may interfere with the reflective properties of the bead.    

Item

         Value         

SiO2

 ≥65%

Na2O

14%

CaO

8.0%

MgO

2.5%

Al2O3

0.5-2.0%

Fe2O3

0.15%

Other

2.0%

Bulk density

1.5g/cm3

Real Density

2.5g/cm3

Mohs Hardness

6-7

HRC hardness

46

Roundness

≥85%

           

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Product Categories : Glass Bead & Road Paints

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