www.youngmancn.com Heat resistant epoxy fiberglass tension stick、tension and winding composite stick  The tension stick which ranges from 10 mm to 80 mm diameter has widely been used in composite insulating products, such as silicon rubber composite insulator, post, tower cross arm, drop-out switch, isolating switch, insulator for railway traction line etc. ==Acid corrosion resistant and heat resistant epoxy fiberglass tension stick  The product is based on the heat resistant tension stick, but the polymer matrix fiberglass is imported from foreign countries. The tension stick has accorded with the standard JB5892-91 and the technical condition about 500kV organic composite insulator of the National Electric Net Construction Company |