Detergent cleaning method: Put warm water mixed with detergent into a plastic tube, the liquid should occupy a quarter to one-third of the inner volume of the tube, and the two ends should be sealed and shaken vigorously. Large plastic tubes can be mechanically vibrated. cleaning. After 20 minutes to half an hour, release the liquid and rinse repeatedly with clean water. This method is suitable for water pipes with a short length and an inner wall thickness greater than 1cm. Ultrasonic cleaning method: plastic tubes suitable for use in laboratories or special industries, plastic tubes with closed inner walls and inconvenient to open, can be cleaned by external ultrasonic vibration. The price of the ultra-cleaning machine is very good, and it is used in special industries. Scrub the inner wall: Use a wire to pass through the middle of the plastic tube, and bring a rope to the other end of the plastic tube. If it is a plastic tube with the thickness of an infusion set, you can use a tough cotton thread or fishing line. The length of the cotton thread or rope is higher than the length of the plastic pipe, and one end is tied with a cotton thread or rope. If it is a particularly thick plastic pipe, it can be filled with a plastic pipe slightly thinner than the inner wall of the plastic pipe, and the outer layer is covered Cotton cloth, towel or cotton, cotton balls or filler wrapping cotton is slightly thicker than the inner wall of the plastic tube, so that it can barely pass through the inner wall of the plastic tube. Wet cotton or cotton cloth, etc., and pull it over with a rope at the other end. The entire inner wall of the plastic tube is almost cleaned. If it still looks dirty, change a piece of cotton and try again.
