Overview
Clear glass sheets, known as 玻璃白片 in Chinese, are fundamental building materials produced through the float glass process. This method creates distortion-free panels with consistent thickness, making them ideal for architectural and interior applications. The global market for clear flat glass exceeds $100 billion annually, with China being the largest producer. Standard wholesale quantities typically start from container loads (20-40 pallets), with common thicknesses ranging from 3mm for picture frames to 12mm for structural applications. Modern manufacturing allows for large format sheets up to 3.21m × 6m, which can be cut-to-size for specific project requirements.
Product Features
Clear glass sheets offer 91-93% light transmittance in their standard form, with surface flatness tolerances within 0.1mm per meter. The material demonstrates a Mohs hardness of 6.5 and thermal expansion coefficient of 9×10⁻⁶/°C, making it suitable for most temperate climates. Advanced variants include low-iron 'extra-clear' glass (≥91% transmittance), tempered safety glass (4-5x stronger than annealed), and laminated acoustic versions. Surface treatments like acid-etching or nano-coatings can provide anti-glare or easy-clean properties while maintaining transparency.
Main Uses
In commercial construction, clear glass sheets serve as curtain walls, office partitions, and skylights. Retail environments utilize them for product displays, shelving, and protective barriers. The furniture industry employs tempered versions for tabletops, cabinet doors, and decorative panels. Industrial applications include machine guards, laboratory equipment, and solar panel covers. Emerging uses incorporate smart glass technologies where clear sheets form the base for switchable privacy films or photovoltaic laminates. Bulk purchases often cater to glass processors who perform secondary operations like cutting, edging, or tempering.
Culture and Development
The mass production of clear glass sheets revolutionized modern architecture, enabling the International Style's glass curtain walls in the 20th century. China's float glass production capacity grew from 30% of global output in 2000 to over 60% today, with wholesale hubs concentrated in Guangdong, Jiangsu, and Shandong provinces. Contemporary trends emphasize energy efficiency, with clear glass increasingly combined with low-emissivity coatings. The industry has also seen standardization of sizes, with 2440×1830mm (8'×6') becoming a common wholesale module in Asian markets, while North America favors 96"×130" sheets.
B2B Procurement Guide
When sourcing clear glass sheets wholesale, verify the manufacturer's ISO 9001 certification and compliance with regional safety standards (e.g., CCC for China, CE for Europe). Key specifications to confirm include thickness tolerance (±0.2mm for 3-6mm glass), light transmittance, and the presence of visual defects like seeds or knots. Logistics considerations are critical - glass requires A-frame racks or special crating for transport. MOQs typically range from 1-5 containers (20-100 tons), with price breaks at 10-container quantities. Payment terms commonly involve 30% deposit with L/C at sight for international transactions. Always request mill test reports and samples before large orders.
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