... and to reduce oval shaped rods, the product shall be made from seamless dies. Matrix - Isophthalic Polyester Resin. Reinforcement - Glass "E" type ... .5mm). Color -"Pantone yellow C", with a surface identification line, made from Nylon. Surface Finish - The pins shall be smooth and free ... from stains, cracks, pins, lumps, steps or indentations greater than 0. ...