Technical Details

Chemical composition

SiO2 70-73%

Na2O+K2O 13~16%

CaO 6~10%

Mgo <5%

AL2O3 1.2~2.4%

Fe2O3 <0.15%

SO3 <0.3%

Specific Density 2.4~2.6g/cm3

Apparent Density 1.5~1.6g/cm3

Mohs Hardness 6

Softening Point 720±10°C

Refraction Index 1.51~1.52

Breakage Rate About 3~5% For One Cycle

Package 25kgs Paper Bag

Product Type

TYPE / STANDARD

600~850μm

425~600μm

250~425μm

180~300μm

150~250μm

106~212μm

75~150μm

53~106μm

45~90μm

Customers can choose different sizes of glass beads from 50 to 850 microns,depending on the application purpose.