1. Product Overview
80 grit green silicon carbide is a high-quality fused abrasive, produced by the electric furnace smelting process of quartz sand, petroleum coke and wood chips. It is a specialized abrasive for the sandblasting treatment of insert grooves, widely recognized in the mold processing, tool manufacturing and precision hardware industries for its outstanding performance in narrow-gap surface treatment.
2. Core Physical & Chemical Properties
| Item | Standard Value | Performance Advantage |
|---|---|---|
| Silicon Carbide Content | ≥99.0% | High purity, no impurity contamination to precision inserts |
| Mohs Hardness | 9.4 | Superior cutting ability for hard materials (mold steel, carbide) |
| Particle Size (80 Grit) | 180-212μm | Uniform distribution, no clogging in narrow insert grooves |
| Free Carbon | ≤0.20% | Reduces corrosion and surface discoloration of workpieces |
| Bulk Density | 1.5-1.7 g/cm³ | Stable conveying in sandblasting equipment |
3. Key Advantages for Insert Groove Sandblasting
- Precision Cleaning: Sharp and self-sharpening particles can easily reach narrow insert grooves, effectively removing burrs, rust, oxide scale and residual processing residues without dead angles.
- Surface Quality Control: The 80 grit size creates a uniform surface roughness (Ra 1.6-3.2μm), which greatly enhances the bonding strength of coatings, electroplating and other post-treatments.
- Low Material Damage: High toughness and moderate impact force avoid over-cutting and deformation of the insert groove wall, protecting the base material of precision parts.
- Chemical Stability: Resistant to acid and alkali, it is suitable for sandblasting of various materials including mold steel, tungsten carbide, titanium alloy and ceramic inserts.
- Cost-Effective: Reusable after screening, reduces production costs for long-term processing.
4. Application Scope
- Sandblasting treatment of insert grooves in plastic molds, die-casting molds and stamping molds;
- Surface pretreatment of carbide tool inserts, cutting tool grooves and mechanical spare parts;
- Precision sandblasting of aerospace and medical device components with narrow slot structures;
- Deburring and surface finishing of hard and brittle materials such as ceramics and optical glass.
5. Application Parameters & Operation Tips
- Sandblasting Equipment: Pressure-type sandblasting machines are recommended, equipped with nozzles of 1.0-2.0mm for narrow groove processing;
- Working Pressure: 0.3-0.5 MPa (adjust according to workpiece hardness to avoid damage);
- Operation Distance: 80-120mm between nozzle and workpiece, spraying angle of 30-60°;
- Post-Treatment: Clean the workpiece thoroughly with compressed air and organic solvent to remove residual abrasive particles.
