Platinum‑cured silicone sealing strips exhibit excellent resistance to high and low temperatures, ultraviolet radiation, and oxidative aging. Manufactured from silicone rubber, these sealing strips boast an attractive, highly decorative appearance with vibrant colors, and can be custom‑tinted to gold, silver, tea brown, green, and other shades to match door frame finishes.
Compared with conventional peroxide‑cured silicone rubber, platinum‑catalyzed silicone rubber uses ultra‑high‑purity raw silicone and significantly enhances the material’s physical properties. It maintains excellent sealing performance over an extended period and can operate continuously within a wide temperature range of –60 to 240°C (with custom formulations available for even higher temperatures, from –70 to 350°C). This greatly expands the range of applications for architectural sealing strips and substantially prolongs their service life.
Platinum-cured silicone sealant strips are odorless under normal, high, and low temperature conditions, resistant to mold, and have passed VOC testing according to multiple domestic and international standards. They are fully compatible with the vast majority of silicone sealants worldwide, making them the preferred choice for high-end sealing applications in the construction industry both domestically and internationally.
Composite sealing strip: material + structure + coating
Optional materials: platinum silicone, EPDM, TPV, soft PVC
Optional adhesive strip configurations: adhesive strip with wire‑reinforced strip, sponge plus solid‑core adhesive strip, multi‑color composite adhesive strip, soft‑hard composite adhesive strip, and integral injection‑molded adhesive strip (for sound insulation and high elasticity).
Special‑purpose adhesive strip surface coatings: adhesive strip + wear‑resistant coating (for abrasion resistance), adhesive strip + PTFE (with an extremely low coefficient of friction), adhesive strip + UV‑modified finish (enhancing scratch and wear resistance), adhesive strip + matte finish (providing an excellent tactile feel, resisting dust adhesion, and easy to clean).
Note: You may choose the four‑layer composite sealing strip combined with surface coating reinforcement technology.
Lianheqiang’s “exclusively developed” platinum‑silicone, skin‑friendly, dust‑proof sealing strip has pioneered the breakthrough of technical barriers in China. With its outstanding performance, it sets industry trends and, boasting curtain‑wall‑grade quality, seamlessly integrates with high‑end system windows and doors—making it a next‑generation, upgraded, and preferred alternative to traditional EPDM sealing strips.
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