Shanghai Yu Hao Chemical Technology Co. shelf Portland nitrile N41 / 3305 / n21L / 2907, the main purpose is to make oil, solvent rubber products. It is widely used in automotive, aerospace and oil industries, etc., for the production tubing, diaphragms, special products, gaskets, oil lining, oil filters, oil well blowout preventer as pipeline protection devices. Nitrile rubber is also used to make equipment lining, industrial rubber rollers, offset printing, textile apron, oil tape and rubber shoes, sponges, gloves, adhesives, modifiers and heat-resistant plastic parts.