



Low-E glass
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Classification :
Low-E glass, is a multi-layer metal or other compound coating on the surface of glass products. According to the coating process, it can be divided into offline and online low-E glass.
Applicable scene for Offline Low-e glass:
1.Building energy-saving doors and Windows, curtain walls: paired with Insulated glass, the winter insulation and summer heat insulation effect is remarkable, suitable for severe cold or hot areas
2.High-end commercial buildings
Applicable scene for online low-e:
1.Glass products that need secondary processing: such as hot-bent glass, laminated glass, coated composite glass.
2.Outdoor exposure environment: such as balcony glass, sunroom, curtain wall outer sheet
3.Low cost energy saving requirements
Offline Low-E glass | Online Low-E glass | |
Membrane layer structure | Multi-layer metal/metal oxide composite film (with silver layer) | Single-or multi-layer metal oxide film (no silver layer) |
Radiance(ε) | ≤0.1 (excellent low radiation performance and outstanding energy saving effect) | 0.2-0.3 |
Weather fastness | The membrane layer is poor in water vapor, acid and alkali resistance, and should be used with hollow glass | The film layer is chemically bonded to the glass matrix and can be used in a single piece with strong weather resistance |
Adaptability | Can be cut and ground, but cannot be bent at high temperature (high temperature will destroy the film layer | It can be bent, laminated and coated, suitable for processing complex shapes |
Cost | The process is complex and the cost is high (about 1.5-2 times that of online products) | Continuous production, lower cost |
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