Tempered Glass

Description

1. Product Overview

This product is high-performance tempered glass, engineered through a controlled thermal or chemical tempering process to achieve superior strength and safety characteristics relative to standard annealed or float glass. Its primary industrial applications include architectural facades, automotive glazing, solar panel covers, display screens for industrial equipment, and safety barriers. The key value proposition is a 4–5x increase in flexural strength and impact resistance, combined with a safe fragmentation pattern upon breakage. In a market prioritizing worker safety, regulatory compliance (OSHA, ANSI, ISO), and lifecycle cost reduction, tempered glass is strategically indispensable for de-risking operations and lowering replacement frequency.

2. Key Specifications & Technical Characteristics

• Chemical Composition: Soda-lime-silica glass (SiO₂ 70–74%, Na₂O 12–16%, CaO 5–10%, MgO 1–4%, Al₂O₃ 0.5–2.0%)

• Purity / Quality Grade: Industrial Grade (ISO 12150-1:2015 compliant); Optical Grade available for high-clarity applications (light transmission ≥90%)

• Physical Characteristics:

  • Form: Flat or curved monolithic panels

  • Color: Ultra-clear low-iron (<0.015% Fe₂O₃), clear, bronze, gray, green

  • Thickness: 3 mm – 19 mm (custom to ±0.1 mm tolerance)

  • Density: 2.50 g/cm³

  • Surface Compression: >100 MPa (10,000 psi minimum after tempering)

  • Edge Strength: Compressive edge stress ≥67 MPa

• Packaging Options:

  • Interleaved paper + A-bracket wooden crates (export-ready)

  • Vacuum-laminated stack packs for thin glass (3–6 mm)

  • Custom sea-worthy fumigated plywood cases with edge protectors

• Shelf Life: Indefinite under dry, shaded storage (15–30°C, <60% RH recommended to prevent surface staining)

3. Core Industrial Applications

• Primary Industries: Building & construction (curtain walls, balustrades, doors), automotive (side and rear windows), renewable energy (PV module covers), industrial automation (HMI touchscreens, machine viewing windows), furniture (glass tabletops, shelves)

• Specific Use Cases:

  • High-traffic commercial doors: Tempered glass withstands repeated impact from carts, personnel, and tools without cracking under standard stress.

  • Solar farm panels: Thermal tempering prevents micro-crack propagation under daily temperature cycling (−40°C to +85°C).

  • Industrial machinery guards: Fragments into small, relatively harmless cubes upon catastrophic failure (per ANSI Z97.1), reducing injury severity vs. annealed glass shards.

• Performance Advantage over Alternatives:

  • Vs. annealed glass: 5x impact resistance; 2.5x thermal shock resistance (ΔT up to 250°C)

  • Vs. laminated glass: 30% lower weight; 40% lower cost for non-security applications

  • Vs. polycarbonate: No UV yellowing; 50x higher scratch resistance; full recyclability

4. Competitive Advantages

• Quality Consistency: Automated tempering lines (batch-to-batch surface compression variation ≤5 MPa); 100% polariscope inspected; ISO 9001:2025 certified.

• Supply Reliability: Three geographically redundant production sites (Asia, MENA, Europe) ensuring <10 working days lead time for standard thicknesses; safety stock held for top 10 dimensions.

• Logistics Capability: Direct port loading with fumigated, rain-worthy packaging; real-time container tracking via API integration with major freight forwarders.

• Price Competitiveness: Tiered pricing at 20MT+ (5–8% below regional market average for comparable EN 12150 or ASTM C1048 compliance).

• Sustainability: ≥30% post-industrial cullet in melt; 100% recyclable; tempered glass contributes to LEED v4.1 MR Credit (Building Product Disclosure).

• Technical Support: On-demand CAD drawings, thermal stress simulation reports, and installation torque specifications provided within 24 hours upon order confirmation.

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK 20MT (mixed thicknesses / dimensions allowed within single container)

• Loading Capacity:

  • 20 ft container: Max 20 MT (standard stacking configuration: A-frame racks)

  • 40 ft HC container: Max 22–24 MT depending on glass thickness (3–6 mm lighter; 10–19 mm near 24 MT limit)

• Incoterms available: FOB, CIF, CFR (delivery 25–35 days from payment confirmation)

• Payment terms: Letter of Credit (at sight) or 30% T/T advance + 70% against copy of Bill of Lading (for qualified industrial buyers with credit check)