Application of warm edge spacers in insulating glass
[China Glass Net] The energy-saving effect of insulating glass is much better than that of single-layer glass. The three elements that affect the thermal insulation of insulating glass are heat radiation, heat convection and heat conduction. The heat radiation is larger. Therefore, the improvement of insulating glass is improved. In terms of energy conservation, it is necessary to grasp the main contradictions first. If it cannot be carried out together in these three aspects, then it is necessary to use low-emissivity glass first, and then consider the inert gas and warm-side spacers. In addition, we choose different equipment for insulating glass. The material must be improved from the whole, and the phenomenon that the conflict between the materials and the action should be offset. Thirdly, when selecting the insulating glass material, the service life of the insulating glass should be considered. The service life of the windows is matched. Fourthly, it is necessary to satisfy the cost-effectiveness of the products, and the use scale is wide and easy to implement.
On the basis of ensuring the basic function of the existing insulating glass, the overall function has been improved. Instead of losing some other necessary functions in order to achieve a certain function. At present, the warm edge used mainly includes extruded PVC distance strips and silicon. Ketone (or EPDM) spacers, stainless steel spacers (0.09, 0.13-0.15mm wall thickness), plastic steel spacers, U-shaped steel spacers, composite strips and thermal insulation strips. Among them, some warm edges Relatively cold-edged aluminum spacers can reduce the condensation of the edges of the insulating glass, but at the cost of lowering the sealing life of the insulating glass; while the heat-resistant insulating strips are UPVC (medical grade) and stainless steel (food grade) ) The perfect combination achieves better insulation performance while achieving perfect air tightness!
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