Rubber-type: this type of sealant rubber asBinder. Common rubber polysulfide rubber,silicone rubber, polyurethane rubber, neoprene,butyl rubber, and so on.
Resin type: this type of sealant resin as basematerial. Epoxy-resin, unsaturated polyesterresins, phenolic resin, acrylic resin, PVC, etc.
Oil type: this type of sealant to oil as thebase material. Commonly used oils are vegetable oils such as linseed oil, Tung oil, and Castor oil, and animal oil, fish oil, etc.