General Grade Blasting Glass Microspheres
Description: Basic grade for conventional surface blasting, suitable for deburring, rust removal, oxide scale cleaning and rough polishing of ordinary metal parts, plastic parts and hardware. Cost-effective with good flowability and recyclability.
Model: GB-BG-01 / GB-BG-02 / GB-BG-03
Execution Standard: According to many international standards
Key Parameters:
-
Roundness (Sphericity): ≥ 80%
-
Hardness (Mohs): 6–7
-
Particle Size: 50–1200 μm (customizable mesh)
-
Specific Gravity: 2.45–2.52 g/cm³
-
Moisture Content: ≤ 0.1%
-
Impurities: ≤ 0.5%
- Chemical Composition:SiO₂ (70-75%), Na₂O (13-15%), CaO (8-10%), MgO (2-4%)
-
Color: Transparent & Colorless
Model Specifications: GB-BG-01 (300–1200 μm, 20–40 mesh, for rough blasting); GB-BG-02 (50–150 μm, 120–240 mesh, for fine blasting); GB-BG-03 (150–300 μm, 60–100 mesh, for standard blasting).
Package:
- 1000 kg, Super Bag or Sack
- 25 kg (55 lbs), Paper Bag or Woven Polypropylene Bag






