Nitrile rubber seals and nitrile plastics are widely used in the production of various acid and alkali resistant products. Nitrile plastics with high acrylonitrile content are primarily used for products that come into direct contact with raw oil and have high wear resistance requirements (such as seals, O-rings, petroleum pipeline rubber hoses, and sealing rings). Nitrile plastics with medium acrylonitrile content are typically used for general acid and alkali resistant products (such as oil-resistant hoses, engine oil tanks, and acid and alkali resistant gloves). Nitrile plastics with low acrylonitrile content are used for products with lower wear resistance requirements (such as ultra-low temperature acid and alkali resistant products and acid and alkali resistant shock-absorbing products).