Perma Construction Aids Pvt. Ltd offers Two Component Polysulphide Sealant. Perma Construction Aids Pvt. Ltd. Is an ISO 9001:2000 certified company. The model name of Two Component Polysulphide Sealant is Perma Poly Seal. The Two Component Polysulphide Sealant is a two part Polysulphide sealant based on Polysulphide resin, curing agents, select fillers, plasticizers and vulcanizing agents. When the base and curing agent are mixed it forms a uniform colour mass which can either be poured in to the horizontal expansion joints or gunned into the vertical joint depending upon the grade. The Two Component Polysulphide Sealant is available in two grades: pouring grade for horizontal application and gun grade for non slump vertical applications.