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Do you know the "curing speed" of sealant? (III)
Date:2020-06-19 09:30:00 Share:
The third influencing factor: the area of sealant contacting with air. The single component sealant is usually the most affected by the contact air area, especially when it is applied to the adhesive joint of the non porous substrate (such as glass, metal and other materials), the sealant can only touch the air on one side, and the other three surfaces (such as glass, aluminum and gasket materials) are basically airtight. At this time, the larger the effective contact area between sealant and air, the more water it can obtain, and the faster the release rate of small molecules generated by chemical reaction, the faster the curing speed will be.