Is LOWE glass in curtain walls not energy-efficient? Engineering procurement experts reveal tips to spot the real deal—introducing a curtain wall manufacturer specializing in insulated glass from Zhongshan.
Release time：
Nov 25,2025
Engineering purchasers buying Low-E glass are often misled by merchants who pass off ordinary coated glass as the genuine product, resulting in substandard insulation performance.
Techniques for identifying authenticity and selecting products: Check the label—genuine Low-E glass features a laser-etched "Low-E" mark on the corner that won’t wipe off. Feel the coating: The side with the coating should have a smooth texture with slight resistance; avoid installing the coated side outdoors, as it’s prone to oxidation.
Choose the right specification based on your region: opt for double-silver Low-E glass in the South (for superior insulation), and select single-silver Low-E glass in the North (balancing both light transmission and energy efficiency). On-site testing confirmed this—when exposed to an infrared lamp, the temperature on the opposite side of the coated surface was noticeably lower.
Check the inspection report: the thermal transmittance must be ≤2.8 W/(㎡·K) to qualify. For office building curtain walls, select the 6+12A+6 double-silver model; for home decoration doors and windows, choose the 5+9A+5 single-silver model.
#Low-E Glass #Engineering Glass Procurement #Insulated Low-E Glass #Double-Silver Low-E Glass #Curtain Wall Low-E Glass
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