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Grinding Glass Beads

Grinding glass bead  With the advantages  of smooth surface, even size, high hardness, wearable and stable, widely used as disperser, grinding  media and filler materials  in day, paint, ink and chemical industry.

Glass beads abrasive for grinding,blasting and polishing


 Glass beads with the quality of clean,transparent,no bubbles and impurity. Its hardness and spherical form is suitable to remove impurity and metal oxides with no damaging of the treated surface. It also does not react chemically with other materials so that it widely used in blasting, polishing, grinding, Kaolin delaminating, etc

 

Chemical Analysis

Physical Propertises

SiO2

≥65.0%

Bulk Density

1.5g/cm3

Na2O

≤14.0%

Real Density

2.5g/cm3

CaO

≤8.0%

Mohs Hardness

6-7

MgO

≥2.5%

HRC Hardness

46

Al2O3

0.5-2.0%

Roundness

≥92.5%

Fe2O3

≥0.15%

Magnetic

≤0.1%

Other

2.0%

Bubble

≤0.1%

Normal Glass Beads: 
   It features clarity, chemical stability and low cost used for grinding or shot blasting.

 

Chemical Content

Physical characteristics

Sizes (mm)

SiO2  Al2O3
CaO  MgO
Na2O

Specific Gravity: 2.45g/cm3
Bulk Density: 1.5g/cm3
Micro-hardness: 635kg/mm2

0.4-0.6
0.6-0.8
0.8-1.0
1.0-1.5
1.5-2.0

2.5-3.0
3.0-3.5
3.5-4.0
4.0-4.5
4.5-5.0


Intensive Glass Beads: 
    It features good internality, wear-resistance, and chemical stability. 

   The PH value is 7.2, which is suitable for grinding of materials with low or medium adhesive or shot blasting.

 

Chemical Content

Physical characteristics

Sizes (mm)

SiO2  Al2O3
CaO  MgO
Na2O

Specific Gravity: 2.45g/cm3
Bulk Density: 1.5g/cm3
Micro-hardness: 635kg/mm2

0.4-0.6
0.6-0.8
0.8-1.0
1.0-1.5
1.5-2.0

2.5--3.0
3.0-3.5
3.5-4.0
4.0-4.5
4.5-5.0

 All sizes can be supplied as required.  

Contact Us!

Star's Glass Beads Co. Ltd of Leting County
Add:Tangshan City, Hebei Province, 063600,China
Tel:0086 18733689802
Tel:0086 18733689806
E-mail:info@mxglassbeads.com
Web:http://www.mxglassbeads.com
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