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What is the main function of silicone weather resistant adhesive

2021-09-07  From: Shandong Lechao New Material Technology Co., LTD Browsing times:32

Among the main technical indexes of silicone weatherproof adhesive, sag, extrudability and surface drying time characterize the construction performance, and displacement capacity and mass loss rate characterize the performance of cured silicone weatherproof adhesive. The mass loss rate of silicone weatherproof adhesive is equivalent to the thermal weight loss of structural adhesive. The performance changes of silicone weatherproof adhesive after long-term use are mainly investigated. The higher the mass loss rate, the more serious the performance decline after long-term use.


The main function of silicone weather resistant adhesive is to seal the joints between plates. Because the plates are often affected by temperature changes and deformation of main structure, the joint width will change accordingly. This requires that silicone weatherproof adhesive has a good ability to withstand joint displacement and will not crack under the condition of long-term bearing the change of joint width. This performance is called the displacement ability of silicone weatherproof adhesive, which is different from the "displacement bearing capacity" of structural adhesive.

silicone weather resistant adhesive

Keywords: silicone weather resistant adhesive