... and acid resistance. 2.Colorful and good color stability. 3. Super flexible. 4.Factory price. Hot sale heat resistant NBR extrusion ... the sample Product No.we will prepare the sample Sales Hot MarketHot sell in the USA ,Europe, England, Franch, ... no toxicity, no contamination (environmental friendly).(2) Resistant to high temperature, aging, radiation, cold, heat,Acid, Chemical.(3) Stand wear and ...