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Long Service Life Hot Pressed Boron Carbide Sandblasting Nozzle with Venturi Bore Design
Product Details:
| Place of Origin: | Hunan, China |
| Brand Name: | High Broad |
| Certification: | ISO 9001:2015 |
| Model Number: | HB-LSL-VN |
| Document: | Venturi nozzle Jane.pdf |
Payment & Shipping Terms:
| Minimum Order Quantity: | 10 Pieces |
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| Price: | USD 5-40 / Piece |
| Packaging Details: | Each nozzle packed in protective plastic tube with foam insert, then in export-grade corrugated carton |
| Delivery Time: | 5-20 working days after order confirmation |
| Payment Terms: | T/T,L/C,Western Union,PayPal |
| Supply Ability: | 50000 Pieces per Month |
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Detail Information |
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| Flexural Strength: | 400-650 MPa | Max Service Temperature: | 1500°C (in Air) |
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| Compressive Strength: | 4100 MPa | Nozzle Type: | Venturi Bore / Straight Bore |
| Density: | ≥2.48 G/cm³ | Knoop Hardness: | 3300 Kg/mm² |
| Highlight: | Extended Wear Life Nozzle Core,Hot Pressed Boron Carbide,Tungsten Carbide Lifetime Comparison |
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Product Description
Long Service Life Hot Pressed Boron Carbide Sandblasting Nozzle
Engineered for maximum durability, this hot pressed boron carbide sandblasting nozzle delivers the longest service life available in the abrasive blasting industry. Manufactured using advanced hot pressing technology, each nozzle achieves superior density and hardness that directly translates to 3-10 times longer operational life compared to tungsten carbide alternatives.
Service Life That Reduces Your Operating Costs
- 3-10x Longer Than Tungsten Carbide: Independent testing and field data confirm that boron carbide nozzles consistently outlast tungsten carbide nozzles by a factor of 3 to 10, dramatically reducing replacement frequency
- Lower Cost Per Hour: While boron carbide has a higher initial purchase price, the extended service life results in the lowest cost-per-blasting-hour of any nozzle material
- Reduced Downtime: Fewer nozzle changes mean less production interruption and higher overall equipment effectiveness (OEE)
- Consistent Blasting Efficiency: Hot pressed boron carbide maintains its dimensional stability throughout its service life, ensuring uniform abrasive velocity and pattern
Hot Pressing Technology
- Simultaneous Heat and Pressure: The hot pressing process applies uniaxial pressure during sintering at temperatures exceeding 2000°C, producing a fully dense ceramic body with optimal mechanical properties
- Minimal Porosity: Near-theoretical density of at least 2.48g/cm³ eliminates internal defects that would otherwise become crack initiation points under high-velocity abrasive impact
- Uniform Grain Structure: The controlled hot pressing environment prevents excessive grain growth, maintaining the fine-grained microstructure essential for maximum hardness and wear resistance
Technical Specifications
| Material | Hot Pressed Boron Carbide (B4C) |
| Density | ≥2.48 g/cm³ |
| Knoop Hardness | 3300 kg/mm² |
| Flexural Strength | 400-650 MPa |
| Compressive Strength | 4100 MPa |
| Fracture Toughness | 4.5-7.0 MPa·m½ |
| Thermal Conductivity | 29 W/m·K |
| Max Service Temperature | 1500°C (in air) |
| Available Core Sizes | 6mm, 8mm, 10mm, 12mm (custom available) |
| Jacket Options | Aluminum Jacket, Steel Jacket, Rubber Sleeve |
Estimated Service Life Comparison
| Nozzle Material | Steel Shot and Grit | Sand | Aluminum Oxide |
|---|---|---|---|
| Boron Carbide (Hot Pressed) | 1500-2500 hrs | 750-1500 hrs | 200-1000 hrs |
| Silicon Carbide / Nitride | 600-1000 hrs | 400-600 hrs | 50-100 hrs |
| Tungsten Carbide | 500-800 hrs | 300-400 hrs | 20-40 hrs |
| Ceramic (Alumina) | 20-40 hrs | 10-30 hrs | 1-4 hrs |
Applications
- Heavy-duty sandblasting and abrasive blasting operations
- Steel structure and ship hull surface preparation
- Concrete, marble, and granite surface treatment
- Industrial equipment cleaning and descaling
- Shot peening for fatigue life enhancement
OEM and Custom Manufacturing
We offer full OEM customization services. Custom sizes, shapes, thread types, and jacket configurations are available upon request. Send us your drawings or specifications for a tailored solution that maximizes your blasting efficiency and minimizes your total cost of operation. Our factory has over 20 production lines and an annual capacity of 500000 pieces, ensuring reliable supply for orders of any scale.
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