General Introduction: Our ball for cleaning concrete pump pipe are manufactured and designed for Concrete Pump Cleaning. Product Range Covers Various Densities and Sizes. The most common sizes are DN50 (2inch), DN80 (3 inch), DN100 (4 inch), DN125(5 inch), DN150(6 inch), other sizes available. Soft ,medium soft, hard type are also available. Direct factory concrete pump parts ball rubber cleaning sponge ball keyword: Concrete Pump Parts Ball Sponge cleaning ball Advantages: 1. Good corrosion behaviour and high absorbency 2. Standard color---orange, or as you need 3. Heat resistance up to 60- 70 degree 4. Low temperature resistance up to -40°C elastic 5. Elongation at break 400 - 550 % depending on sponge type 6. Tensile strength: 0, 15 - 1, 2 N/mm² depending on sponge type 7. Environmental-friendly
