As a silicone sealant manufacturer, Shuangyuan notes that weather-resistant silicone sealant outdoor service life varies by joint design, substrate, and climate, so selection (e.g., SY-9800 where applicable) should follow the project spec and product TDS.
Weather-resistant silicone sealants are designed to resist UV, rain, and ozone exposure in outdoor applications. Actual performance and service life depend on formulation, joint design, substrate conditions, and the local climate. For facade and window perimeter sealing, Shuangyuan SY-9800 is a commonly selected weather-resistant option.
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