Thioplast G 22 Polysulphide polymer Akzo Nobel-Akcros Chemicals Polysulfides SEALANT Thioplast G 22 is a liquid Polysulphide-Polymer of medium viscosity and of light brown colour. Thioplast G 22 is used for special kinds of building sealants, depends on the customer requirements. Polysulphide polymer. Used for special kinds of building sealants. Offers medium viscosity and light brown colour.