Description
1. Product Overview
Alumina Beads — Drying are high-performance, macroporous spherical adsorbents engineered from premium activated alumina. They are primarily used for the deep drying of gases and liquids in industrial processes, including compressed air, natural gas, and petrochemical streams. The key value proposition is exceptional moisture adsorption capacity combined with high crush strength and low attrition, enabling longer service life and lower operational costs. In a market where moisture contamination drives equipment failure, corrosion, and product spoilage, these beads are a strategically critical component for reliability and process efficiency.
2. Key Specifications & Technical Characteristics
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Chemical Composition: High-purity activated alumina (Al₂O₃) with minimal alkali metal oxides
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Purity Grade: ≥ 92% Al₂O₃ (standard industrial grade) | ≥ 99% available for sensitive applications
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Physical Form: Spherical beads
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Color: White to off-white
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Particle Size Distribution: Standard: 3–5 mm, 4–6 mm, 5–8 mm (custom ranges available)
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Bulk Density: 720–800 kg/m³
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Surface Area: 280–350 m²/g (BET method)
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Total Pore Volume: 0.35–0.45 cm³/g
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Crush Strength: ≥ 30 N per bead (5 mm size) — industry leading
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Attrition Loss: ≤ 0.1 wt% (ASTM D4058)
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Equilibrium Dew Point: Achieves ≤ -40°C pressure dew point in air drying
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Packaging Options: 25 kg moisture-barrier bags, 500 kg supersacks, 1,000 kg steel drums
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Shelf Life: 5 years when stored in original sealed packaging in dry, ambient conditions
3. Core Industrial Applications
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Compressed Air Drying (Refrigeration & Desiccant Dryers): Removes moisture to prevent freeze-up in pneumatic controls, corrosion in tooling, and product spoilage in food/beverage packaging. Outperforms silica gel by maintaining crush strength under wet conditions — no dusting or channeling.
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Natural Gas Processing (Dehydration Units): Used in TSA (Temperature Swing Adsorption) beds to meet pipeline moisture specifications (< 7 lb/MMSCF). Superior to molecular sieves for bulk water removal due to faster regeneration kinetics and lower energy use.
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Petrochemical & Refinery Hydrogen Recycling: Protects catalysts (e.g., reforming, hydrocracking) from water poisoning. Our beads offer double the cycle life vs. lower-grade aluminas, reducing bed replacement frequency by 40%.
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Instrument Air & Breathing Air Systems: Delivers reliable -40°C dew points with no binder shedding, ensuring instrument accuracy and personnel safety.
Why better: Lower regeneration temperature (150–200°C vs 200–250°C for competitors) = energy savings of 15–20%. Higher sphericity reduces pressure drop by up to 30%.
4. Competitive Advantages
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Quality Consistency: ISO 9001:2025 certified production with 100% lot sampling for crush strength, attrition, and pore structure. Each shipment includes a Certificate of Analysis.
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Supply Reliability: Dual-sourced raw materials and three geographically dispersed manufacturing sites. Typical lead time: 14 days for stock sizes.
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Logistics Capability: Global hub warehouses (Rotterdam, Houston, Shanghai, Jebel Ali) enable expedited LCL and FCL shipments. Real-time inventory visibility via client portal.
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Price Competitiveness: Tier-1 quality at 8–12% below European and North American branded equivalents. Volume discounts for annual commitments.
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Sustainability: 100% recyclable spent media via our take-back program. Beads manufactured with natural gas-fired kilns — 35% lower CO₂ per ton than coal-based alternatives.
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Technical Support: In-house process engineers provide bed design, cycle optimization, and troubleshooting. Full documentation including SDS, technical data sheet, and regeneration protocol.
5. Commercial & Supply Information
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Minimum Order Quantity (MOQ):
One metric ton (1,000 kg) per SKU -
BULK 20MT Loading Capacity per 20-ft Container:
20 metric tons (20,000 kg) — palletized in 25 kg bags or 500 kg supersacks, achieving maximum container utilization without overloading floor limits.









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