S-SM is mainly used on pipe and tank winding products. It can improve the product surface property on corrosion resistance, compressive strength, seepage resistance, and longer service life.
S-HM is chiefly used in the produce with complicated geometric curve. It has the advantages of good pattern fitness, quick resin permeating. It can raise the intensity and corrosion resistance of the products. it is the essential content of the fiberglass products and high quality pattern.