How can one component silicone adhesive sealant achieve curing performance?

One component condensation curing silicone rubber products are cured by using moisture in the air. When curing from the outside to the inside, the single component adhesive sealant can be cured for 3mm within 24h at 25 ℃ and 50% RH; It usually takes 7 days to reach the inherent physical properties.