Sumitomo Riko has released a new window insulation film, Refleshine SEF25, with enhanced heat-blocking and insulating properties compared to its predecessor. The SEF25 film builds on Sumitomo Riko’s expertise in polymer materials, using uniformly coated and layered optical thin films to ensure durability, heat rejection, and insulation. Compared to the previous TW36A model, the shading coefficient, a measure of heat-blocking…
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