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Polysulphide Sealants

What is a Polysulphide sealants? Polysulphide sealants are a one component, gun applied, synthetic rubber based sealant which cures by absorption of atmospheric moisture to form a permanently flexible seal. They are suitable for use within the aerospace industry on all joints where above average repeated movement is encountered over a wide temperature range.

It provides outstanding resistance to weathering and chemical attack from solvent, alkalis, dilute acids, oils and grease. Sil-Mid distribute a range of polysulphide sealants from brands such as PPG, 3M and Ardrox.

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