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Q What are the benefits of using insulated glass?
A Insulated glass offers:
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Better energy efficiency (lower heating/cooling costs)
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Improved sound insulation
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Reduced interior condensation
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Enhanced comfort and indoor climate
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Longer lifespan of building components
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Q How is insulated glass different from regular single glazing?
A Unlike single-pane glass, IGUs have an air or gas-filled cavity between two or more panes, acting as a thermal and acoustic barrier. This greatly improves U-value performance and reduces external noise infiltration.
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Q What is a warm-edge spacer and why does it matter?
A A warm-edge spacer is a low-conductivity material placed between glass panes in an IGU to reduce heat transfer around the edges. It improves energy efficiency and helps minimize condensation on the interior surface.
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Q What is the typical lifespan of an IGU?
A A high-quality IGU can last 20–30 years or more, especially when manufactured with double-seal systems, gas filling, and warm-edge spacer technology. At XCDH GLASS, our units are designed for long-term reliability and performance.
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Q Can IGUs be used in both residential and commercial buildings?
A Yes. Insulated glass is ideal for a wide range of applications including:
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Residential windows and doors
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High-rise facades and curtain walls
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Hospitals, schools, hotels, and airports
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Passive houses and green buildings
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Q What performance values should I look for in an IGU?
A Key performance indicators include:
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U-value (thermal transmittance)
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STC or dB rating (sound insulation)
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Visible light transmittance (VLT)
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Solar heat gain coefficient (SHGC)
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Argon gas retention rate
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Q What performance specs can XCDH GLASS achieve?
A Depending on configuration:
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Q What are your flagship product lines?
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Xinghai S7 Ultra – Triple-glazed with LiSEC aluminum spacer for system windows
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Xinghai S8 Eco – Double silver Low-E IGU with high sound insulation
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Xinghai S9 Passive – Super Spacer® technology for ultra-low U-value performance
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Q What types of insulated glass does XCDH GLASS produce?
A We offer double glazing, triple glazing, argon-filled units, Low-E IGUs, warm-edge spacer systems, and oversized glass panels—customized for system windows and facade systems.
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Q Does insulated glass reduce noise?
A Yes. Depending on thickness and configuration, IGUs can reduce noise by 30–40 dB or more, making them ideal for urban buildings or homes near highways.
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Q How long does insulated glass last?
A High-quality IGUs can last 20–30 years or more if properly manufactured and installed. Premium products (like those using LiSEC or Super Spacer® systems) may offer warranties of up to 25 years.
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Q What is Low-E insulated glass?
A Low-E (low emissivity) glass has a microscopically thin metallic coating that reflects heat while allowing visible light. It enhances insulation by reducing heat transfer.
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Q What are the typical configurations of IGUs?
A Common setups include:
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Double glazing: 4-12-4 (two panes, one spacer)
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Triple glazing: 4-12-4-12-4 (three panes, two spacers)
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Variants with Low-E coatings, warm-edge spacers, and gas filling.
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Q What is insulated glass (IGU)?
A Insulated glass, also known as a double or triple glazing unit, is a sealed combination of two or more panes of glass separated by a spacer and filled with inert gas (like argon). It provides improved thermal insulation, noise reduction, and energy efficiency compared to single-pane glass.
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