Solid Glass Microspheres are used for precise metal finishing of parts. They offer an environmentally safe and cost effective method for metal surface cleaning and finishing.
Typical chemical analysis
|
SIO2
|
70,00-75,00%
|
|
Na2O
|
12,00-15,00%
|
|
CaO
|
7,00-12,00%
|
|
MgO
|
Max.5,00%
|
|
AL2O3
|
Max. 2,50%
|
|
K2O
|
Max.1,50%
|
|
Fe2O3
|
Max. 0,50%
|
|
Hardness
|
6 mohs
|
|
Grain shape
|
spherical
|
|
Melting point
|
approx.730 °C
|
|
Specific gravity
|
approx.2,5g/cm3
|
|
Bulk density
(depending on granular size) |
approx.1,5-1,6g/cm3
|
a) Silane or silicon coated beads available;
b) BS, AS, EN and KS standards glass microspheres can be manufactured too.
The Sieve Analysis
|
Mesh (Micrometer)
|
Percent passing (%)
|
|
600
|
100
|
|
425
|
90-100
|
|
300
|
50-70
|
|
180
|
0 – 5
|
Packing details:
These are available in 25kg light quality HDPE bag. Each bag is clearly marked with:
Name & identification mark of manufacturer-HuaDong Brand
Batch number
Date of manufacture
Color - White / yellow
Safe heating & application temperature
Applications:
*Reusable abrasive *Compacting
*Polishing *Blast-cleaning
Blasting systems:
*Pressure blast systems *Injection blast cabinets