Plastic hollow floating ball has features such as large void space, low pressure drop, low mass-transfer unit height, high flooding point, uniform gas liquid contact, small specific gravity, high Mass transfer efficiency and so on, and the application temperature in media ranges from 60to 150. For these reasons it is widely used in the packing towers in petroleum industry, chemical industry, alkali-chloride industry, coal gas industry and environmental protection, etc. Features: Pp(polypropylene) hollow balls/plastic hollow balls/hollow floating balls Φ9.5mm, 100mm Color can be customized 100%bpa free material, food grade It has stable chemical properties, nonpollution, long service life and great overlay area. The products are widely used in coagulate water tank, salt eliminating water tank and water treatment field. It greatly reduced the heat loss, acid and carbon dioxid from the air and oxygen in water pollution, thus protect the operator and maintain the water quality. At the same time, it saves more energy and reaches the environment purification effect.. Standard size, 8mm, 10mm, 19.05mm, 20mm, 25mm, 25.4mm, 28.6mm, 35.56mm etc. Usage:cover balls, floating balls