Glass Beads

Size

0.8-1mm 1-1.5mm 1.5-2mm 2-2.5mm 2.5-3mm 3.5-4mm 4-4.5mm 4-5mm 5-6mm 6-7mm

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

≥92.5%

Magnetic

≤0.1%

Bubble

<0.1%

Usage

1,Used in cleaning and metal surface strengthening treatment technology,Used for sandblasting equipment.

2,Used as disperser,grinding media and filter material in day,paint,ink and chemical industry.

3,road marking