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SR2525 is a silicone structural sealant specially formulated for structural bonding and sealing in glass curtain walls, dry‑hung stone curtain walls, aluminum panel curtain walls, glass skylights, and metal structure projects. It features a two‑component system: Components A and B are mixed by a dedicated dispensing machine and applied to the joint, where they cure to form a stable elastomer. The product exhibits high bond strength and excellent resistance to UV aging, maintaining superior elasticity and adhesion even after prolonged exposure to harsh weather conditions such as sunlight, rain, wind, and snow.

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Drawing on years of accumulated expertise and cutting-edge synthesis technologies, SUNSTAR, guided by the principles of safety, comfort, and environmental sustainability, diligently researches and manufactures a comprehensive range of sealants and adhesives for exterior and interior applications, designed to meet the diverse needs of the construction industry.