Assay Equipment Accessories & Consumables
Sealed Sample Preparation Pulverizer Grinding Bowl Set Zirconia Tungsten Carbide Chrome Steel High Manganese Steel Stainless Steel Agate
Item Number : KT-JLB
Price varies based on specs and customizations
- Output Fineness
- 200 mesh (≤74 μm)
- Available Capacities
- 100g, 150g, 200g, 400g, 1000g
- Bowl Materials
- Tungsten Carbide, High Manganese Steel, Chrome Steel, Stainless Steel, Zirconia, Agate
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Product Overview
This sealed grinding container assembly is an essential consumable component engineered specifically for high-speed laboratory sample preparation pulverizers and vibrating disc mills. Designed to execute rapid, ultra-fine comminution through high-energy multi-directional impact and frictional shearing, this equipment transforms granular raw samples into analytical-grade powders with remarkable uniformity. By matching specialized bowl geometries with high-density grinding rings and pucks, the system achieves a consistent final particle fineness of 200 mesh (74 microns) within minutes, establishing an optimal baseline for spectroscopic, chromatographic, and wet chemical evaluations.
Material compatibility and sample integrity dictate laboratory precision. To meet rigorous contamination thresholds across diverse analytical disciplines, these grinding sets are manufactured in an extensive array of premium materials, including tungsten carbide, high manganese steel, chrome steel, stainless steel, stabilized zirconia, and natural Brazilian agate. This versatile metallurgical and ceramic selection allows geochemical laboratories, mining assay facilities, metallurgical quality control units, cement plants, and advanced ceramic research institutes to pulverize abrasive, hard, soft, or corrosive specimens without introducing uncharacterized elemental impurities into sensitive matrices.
Constructed to endure tremendous centrifugal kinetics and mechanical stress, each bowl features an engineered dynamic sealing profile that suppresses dust escape, eliminates sample loss, and prevents airborne cross-contamination. Precision-machined contact interfaces, balanced concentric mass distribution, and shock-resistant alloy formulations safeguard structural resilience throughout continuous grinding cycles. The resulting platform delivers dependable, repeatable particle size distribution, empowering modern research and industrial quality assurance workflows with uninterrupted operational reliability.
Key Features
- Targeted Output Fineness to 200 Mesh: Engineered kinetic geometry and optimized clearance profiles between the inner bowl wall, concentric rings, and impact puck rapidly reduce coarse feed down to an analytical-grade 200 mesh (≤74 μm), guaranteeing optimal homogeneity for X-ray fluorescence, atomic absorption, and diffraction testing.
- Extensive Material Portfolio for Contamination Control: Available in high manganese steel, chrome steel, surgical-grade stainless steel, ultra-dense tungsten carbide, yttria-stabilized zirconia, and natural agate, providing total freedom to eliminate specific elemental interference such as iron, cobalt, or silica during trace-level assaying.
- Hermetic Elastomeric Sealing Architecture: Built with precision-grooved dynamic elastomeric O-rings and heavy-duty sealing lids that completely contain ultra-fine respirable particulates, preventing toxic atmospheric leakage, operational mass loss, and batch-to-batch cross-contamination.
- Reinforced Structural Shock Absorption: Fabricated from premium, crack-resistant materials engineered to absorb sustained high-frequency shockwaves and dynamic impact energies during prolonged cycles without spalling, micro-fracturing, or dimensional distortion.
- Standardized Volumetric Capacity Options: Offered in five standardized sample capacities—100g, 150g, 200g, 400g, and 1000g—accommodating small-batch laboratory exploration as well as large-volume composite pilot testing with perfectly scaled dimensional proportions.
- Balanced Concentric Mass Distribution: CNC-machined under strict dynamic balancing tolerances to minimize rotational eccentricity, operational vibration, and acoustic noise, significantly reducing mechanical wear on the pulverizer drive mechanism and clamping assembly.
- Ergonomic Handling and Rapid Cleaning Profiles: Features seamless, highly polished interior surfaces free of dead corners, promoting rapid sample discharge, effortless brush recovery, and straightforward decontamination procedures between successive analytical runs.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Geological & Mineral Exploration | Pulverization of hard granites, core drills, quartzites, and mineral ores prior to fire assay or ICP-OES geochemical characterization. | High-abrasion resistance prevents structural wear when processing hard minerals up to Mohs hardness 8.5–9.0. |
| Metallurgy & Ferrous Metal QA | Rapid comminution of iron ores, blast furnace slags, sinters, and ferroalloys to establish chemical and physical consistency. | Rapid throughput achieves 200-mesh homogeneity in under 2 minutes, accelerating smelter furnace feed verification. |
| Cement, Clinker & Aggregate Testing | Grinding raw limestone, raw meal, cement clinker, and gypsum to monitor kiln combustion kinetics and calcination quality. | Hardened alloy configurations withstand heavy frictional abrasion without spalling or micro-cracking. |
| Advanced Ceramics & Electronic Oxides | Ultra-pure processing of dielectric powders, titanates, alumina, and rare earth precursors requiring strict absence of metallic contamination. | Chemically inert zirconia and agate configurations eliminate transition metal contamination down to sub-ppm levels. |
| Coal, Coke & Petrochemical Residue | Fine milling of solid fossil fuels, fly ash, and petroleum coke for calorific value measurement and proximate ash determination. | Airtight hermetic sealing preserves volatile matter and prevents fine coal dust dispersal into laboratory air. |
| Environmental Soil & Waste Analysis | Comminution of dried agricultural soils, contaminated sediment cores, and industrial solid waste for heavy metal trace analysis. | Non-porous interior surfaces prevent analyte carryover and facilitate complete sample recovery for trace detection. |
Technical Specifications
| Model Designation | Nominal Batch Capacity | Base Outer Diameter (mm) | Total Height (mm) | Compatible Materials | Target Output Fineness |
|---|---|---|---|---|---|
| KT-JLB-100 | 100 g | 152 mm | 72 mm | Tungsten Carbide, High Manganese Steel, Chrome Steel, Stainless Steel, Zirconia, Agate | 200 mesh (≤74 μm) |
| KT-JLB-150 | 150 g | 156 mm | 82 mm | Tungsten Carbide, High Manganese Steel, Chrome Steel, Stainless Steel, Zirconia, Agate | 200 mesh (≤74 μm) |
| KT-JLB-200 | 200 g | 182 mm | 85 mm | Tungsten Carbide, High Manganese Steel, Chrome Steel, Stainless Steel, Zirconia, Agate | 200 mesh (≤74 μm) |
| KT-JLB-400 | 400 g | 210 mm | 95 mm | Tungsten Carbide, High Manganese Steel, Chrome Steel, Stainless Steel, Zirconia, Agate | 200 mesh (≤74 μm) |
| KT-JLB-1000 | 1000 g | 256 mm | 110 mm | Tungsten Carbide, High Manganese Steel, Chrome Steel, Stainless Steel | 200 mesh (≤74 μm) |
Material Characteristics & Selection Matrix
| Material Type | Mohs Hardness | Typical Density (g/cm³) | Elemental Composition Profile | Recommended Sample Types |
|---|---|---|---|---|
| Tungsten Carbide | 8.5 – 9.0 | 14.5 – 14.9 | WC + Co binder | Extremely hard materials, cemented carbides, ferrosilicon, ores, abrasives |
| High Manganese Steel | 5.5 – 6.5 | 7.8 – 7.9 | Fe, Mn (11-14%), C | General mining minerals, standard rocks, coal, industrial slag, construction aggregate |
| Chrome Steel | 6.0 – 7.0 | 7.7 – 7.8 | Fe, Cr (12-18%), C | Hard minerals, abrasive geological rock cores, ceramics, general metallurgy |
| Stainless Steel | 5.5 – 6.0 | 7.9 – 8.0 | Fe, Cr (18%), Ni (8-10%) | Corrosive chemicals, food-grade materials, plant tissue, mid-hardness minerals |
| Zirconia (YSZ) | 8.0 – 8.5 | 5.9 – 6.0 | ZrO₂ + Y₂O₃ | High-purity electronic ceramics, pharmaceutical formulations, trace iron-free assays |
| Natural Agate | 6.5 – 7.0 | 2.6 – 2.7 | SiO₂ (>99.5%) | Soil trace analysis, environmental sludge, soft-to-medium hardness biologicals |
Why Choose This Product
- Precision-Toleranced Manufacturing: Every grinding bowl, core ring, and central puck undergoes precision CNC turning and dynamic balancing to guarantee complete dimensional concentricity, eliminating excessive machine vibration and maximizing operational lifespan.
- Unyielding Material Purity: Formulated using premium-grade raw materials—from hot isostatically pressed tungsten carbide to high-purity stabilized ceramics—preventing structural failure under severe impact and maintaining absolute analytical integrity.
- Exceptional Operational Longevity: Heat-treated surface layers and high-hardness metallurgical alloys resist severe abrasive wear, lowering long-term laboratory consumable expenditure and delivering a high return on investment across continuous sample workflows.
- Direct Compatibility and Turnkey Integration: Engineered to standard laboratory pulverizer form factors, these units fit securely into industrial pneumatic and mechanical quick-clamp systems without requiring retrofitting, specialized adapters, or operational recalibration.
Contact our technical sales team today to discuss your analytical sample preparation parameters, request specific material certificates, or obtain a competitive quotation for tailored grinding set solutions.
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