Epoxy resin is the common tackifier for polysulfide sealant.Adding epoxy resin into polysulfide sealant can exert an auxiliary effect on viscosity increasing.

• 环氧树脂是聚硫密封胶常用的增粘剂,在聚硫密封胶中加入环氧树脂可以起到明显的增粘作用。