| 摘要 |
PROBLEM TO BE SOLVED: To provide a curable polysulphide composition which is usable as a sealant, not easily destroyed, and keeps excellent durability for a long term by properly suppressing increase of modulus of the executed sealant when heated. SOLUTION: This curable polysulphide composition comprises a polysulphide polymer having >=2 thiol groups in a molecule, a curing agent and an epoxy resin. The epoxy resin is preferably a bisphenol-based epoxy resin and the curing agent is preferably lead dioxide.
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