| Stainless steel spacer insulating glass application |
| Date：2013-11-20 Hits：1013 |
| Buildings in the external structure of translucent and opaque two parts. Transmissive portion is mainly glass, main function is lighting , landscape and ventilation , the application of the glass to make our buildings more likely to reflect the designer's personality and different architectural styles ; opaque portion of the external structure of reinforced concrete and other masonry use of composite materials , is building the necessary structural . architect through the use of the two different elements , architecture brings to our life colorful contrast, the proposed construction of architectural energy requirements , but 10-20 years of history , although not as good as opaque glass building energy external structure , the latter through appropriate internal / external insulation or after processing , thermal insulation brings energy savings can be greatly improved, and even can do the whole zero-energy buildings , but it has not been opaque envelope with some completely replace light part of the glass. Hollow glass energy saving effect than single glass good effect of insulating glass insulation effect of three factors, thermal radiation , convection and heat conduction , the heat radiation is greatest. Therefore, improving the energy efficiency of insulating glass , must first catch principal contradiction , if not in these three areas simultaneously , then , we must first adopt low-E glass, filled with inert gas followed before considering the warm edge spacers . Moreover, we adopt different configurations of hollow glass material , you must make the substitution effect from the overall improvement , not a conflict between the emergence of alternative materials , the role of offsetting phenomenon. Thirdly, hollow glass material selection should be considered when the life of insulating glass and windows lifetime match. Fourth , the need to meet the product price is good, wide application, easy to promote . We are talking about improving the means: to ensure the basic performance of the existing insulating glass basis , the overall performance has improved , rather than the loss of performance in order to obtain some other necessary functions. Currently, warm edge applications including , extrusion molding of PVC spacers , silicone ( or EPDM ) spacers , stainless steel spacer (0.09,0.13-0.15 mm wall thickness ) , PVC synthetic spacer , U -shaped steel spacer , composite tape and insulation spacer . among them, some warm edge relatively cold edge aluminum spacer insulating glass edge can reduce condensation , but at the lower insulating glass seal life at the cost ; others warm edge because they do not contain metal thermal conductivity than other warm edge is low, but there is a huge range of applications limitations , not only poor value for money , but also with some sealant incompatibility . Additionally, some warm edge applications , So far , there is no convincing data to prove , not inert gas causes the soft coating penetration and low radiation oxidation. Thinking above tells us that while many on the market for warm edge insulating glass can play more or less the improvement improvement , but not all warm edge insulating glass on the overall performance has improved , we think the choice Warm edge spacer attitude should be gradual , rather than jumping on the existing holistic negative attitude in this sense starting to look at the spacer bar , we found that stainless steel spacer is by far the best selection, mainly because, while stainless steel than the thermal conductivity of non-metal , but lower than the thermal conductivity of aluminum is much lower , and its linear thermal expansion coefficient than aluminum, the metal is not only but also much lower than the other non-metallic |
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