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Silicone sealant cured after cracking is what causes?
Class:News Date:2016-1-1 10:41:43
Silicone sealant cracking three forms: First, cohesive failure, cracking performance as glue seam in the middle. Second, bond failure, cracking performance as glue seam on both sides. Third, mixed failure, showed intermediate glue seam cracking and cracking exist on both sides of the case.