Hot Pressed Boron Carbide Sandblast Nozzle 45x8mm Blasting Tip Superior to SiC
Product Details:
| Place of Origin: | Hunan, China |
| Brand Name: | High Broad |
| Certification: | ISO 9001:2015 |
| Model Number: | B4C-S45-08 |
| Document: | Venturi nozzle Jane.pdf |
Payment & Shipping Terms:
| Minimum Order Quantity: | 10 Pieces |
|---|---|
| Price: | USD 10-30 / Piece |
| Packaging Details: | Individual protective foam packaging, export-grade corrugated carton with desiccant |
| Delivery Time: | 3-5 working days for stock, 10-20 days for production |
| Payment Terms: | T/T,L/C,PayPal,Western Union |
| Supply Ability: | 8000 Pieces per Month |
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Detail Information |
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| Nozzle Type: | Straight Bore | Bending Strength: | ≥ 350 MPa |
|---|---|---|---|
| Hardness: | ≥ 2800 HV (Mohs 9.3) | Fracture Toughness: | ≥ 3.5 MPa·m½ |
| Density: | ≥ 2.48 G/cm³ | Length: | 45mm |
| Highlight: | B4C Straight Bore Nozzle 45x8mm,Boron Carbide vs SiC Blast Tip,Ceramic Sandblast Nozzle Replacement |
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Product Description
The B4C-S45-08 straight bore sandblast nozzle is engineered for operators who require a tight, focused blast pattern with maximum abrasive velocity. Manufactured from hot pressed boron carbide, this 45x8mm nozzle represents the optimal balance between precision and productivity in general sandblasting applications.
When comparing B4C and SiC nozzle materials, several key performance factors distinguish boron carbide as the superior choice:
| Property | Boron Carbide (B4C) | Silicon Carbide (SiC) |
|---|---|---|
| Hardness (Mohs) | 9.3 | 9.1 |
| Hardness (HV) | 2800-3200 | 2400-2800 |
| Density (g/cm³) | 2.52 | 3.10 |
| Relative Wear Life | 3-5x baseline | 1x baseline |
| Cost per Blasting Hour | 30-50% lower | Baseline |
In field testing with 80-grit aluminum oxide abrasive at 90 PSI, B4C nozzles consistently demonstrated 3-5 times longer service life than equivalent SiC nozzles. While the initial purchase price of B4C is higher, the total cost per blasting hour is significantly lower due to reduced nozzle replacement frequency and downtime.
The straight bore geometry provides a concentrated blast pattern ideal for spot blasting, weld preparation, and precision cleaning operations. The 8mm orifice delivers an optimal balance of coverage rate and air consumption for medium-sized compressors (185-375 CFM).
Our B4C nozzles are manufactured using the hot press sintering process, which applies simultaneous heat (2100-2200°C) and mechanical pressure. This eliminates the sintering aids required in pressureless sintering of SiC, resulting in a purer, denser, and more wear-resistant final product.






