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Insulated Laminated Glass
Description:
Insulated glass is made of two or more glass panes separated by a spacer and sealed to form a single unit with an air or gas-filled cavity. It enhances thermal insulation, reduces condensation, and improves energy efficiency.
Applications:
Ideal for exterior windows and curtain walls in residential and commercial buildings.
Tel: +86 15866678989
WhatsApp: +86 15866678989
E-mail: info1@wenshengglass.com
PRODUCT DESCRIPTION

Tempered Glass Definition

Tempered glass is a heat-treated safety glass that is approximately 4–5 times stronger than regular annealed glass. It breaks into small, blunt fragments to reduce injury risk.


Key Features

High mechanical strength


Thermal shock resistance

Safe breakage pattern

Heat resistance up to 250°C


Applications

Building facades and curtain walls

Glass doors and partitions

Shower rooms and bathroom enclosures

Balustrades, railings, and staircases

Furniture and appliances (e.g. tabletops, oven doors)


Subtypes

Flat tempered glass

Curved tempered glass

Printed tempered glass (with decorative patterns)

Silk screen tempered glass (with solid or dotted ceramic prints)

Insulated tempered glass (for energy efficiency)


Parameter classParameter NameStandard ValuesDescription
Thermal PerformanceU-value (W/m²·K)Standard Double Glazing: 2.8~3.2
Low-E Double Glazing: 1.6~2.0
Argon Filling: ↓0.1~0.3
Lower values indicate better thermal insulation
SHGC (Solar Heat Gain Coefficient)Clear Glass: 0.7~0.8
Low-E Glass: 0.25~0.40
Lower values reduce solar heat gain
VLT (Visible Light Transmittance)Clear Glass: 85%~90%
Low-E Glass: 70%~80%
Frosted Glass: 50%~60%
Affects indoor lighting brightness
VLR (Visible Light Reflectance)Clear Glass: 8%~12%
Low-E Glass: 15%~25%
Higher reflectance reduces glare
Acoustic PerformanceRw (Weighted Sound Reduction Index, dB)6mm Single Glass: 31
6+12+6 Double Glazing: 34
10+12+6 Double Glazing: 36
6+12+6.5 Laminated Glass: 38
The higher the value, the stronger the sound insulation effect
Structural ParametersGlass Thickness Combinations (mm)4+4, 5+5, 6+6, 10+6, 6+6.5 (laminated)Optimize sound insulation/load-bearing
Spacer MaterialAluminum (high thermal conductivity)
TPS Thermoplastic (warm edge)
Stainless Steel (corrosion-resistant)
Warm edge spacers ↓U-value by 0.1~0.2
Spacer Width (mm)6, 8, 10, 12, 14, 16, 18, 20 (2mm increments)Wider spacers ↑ insulation but ↑ weight
Gas FillingAir (standard)
Argon (recommended, ↑U-value by 10%~15%)
Krypton (premium, ↑U-value by 15%~20%)
Inert gases reduce thermal convection
Glass TypesBasic TypesClear Float, Low-Iron, Tinted (Gray/Blue/Green), Frosted, PatternedLight transmittance of low iron glass ↑5%~10%
Functional GlassHard-coated Low-E (U-value 1.8~2.2)Soft coating requires inner layer protection
Soft-coated Low-E (U-value 1.6~1.8, requires inner protection)
Laminated Glass (anti-breakage/sound insulation)
DimensionsMin. Size300×300 mmMost sizes customizable
Max. Size3300×13000 mm
Sealing Process
PrimaryButyl SealantGas leakage prevention (bonds spacers)
SecondaryPolysulfide (aging-resistant)Silicone is suitable for high temperature areas
Silicone (high-temperature areas)
Polyurethane (high strength)
Edge DesignWarm Edge SpacersU-value Reduction vs. Aluminum↓0.1~0.2Recommended For High humidity areas
Condensation Risk30%~50%
Production Capacity
Daily Output: 14,000 m²/day
Expedited Capacity: 20,000 m²/day


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