Concrete pump pipe cleaning ball Description : Concrete pump pipe cleaning ball used to cleaning concrete pump pipe, it's made of natural rubber, environmentally friendly and durable. Standard-colour: orange, other colour available Heat resistance up to 60 - 70 c Low temperature resistance up to -40c Elongation at break 400 - 550 % depending on sponge type Tensile strength: 0, 15 - 1, 2 n/mm depending on sponge type Environmentally compatible Name Sponge ball for clean ing pipe Size Dn50 (2inch) soft , hard , medium soft D n80 (3 inch) soft , hard , medium soft Dn100 (4 inch) soft , hard , medium soft Dn125(5 inch) soft , hard , medium soft Dn150(6 inch) soft , hard , medium soft Dn175(7 inch) soft , hard , medium soft Other size available Material Natural rubber Application Cleaning the pipeline of concrete pump Work with us you can get: 1. Ensured products quality, before shipping we have strictly quality control, if any quality problem we will solve the problem first and give compensation. 2. Reasonable prices, we promise the same quality products we give the best price, same price we provide the best quality products. 3. Professional service, all our staff are very professional of both products and exporting, you will save much time to work with us and no need to worry about anything. Price Delivery port : tianjin Packaging & delivery Packing :pp bag / cartondelivery lead time : 10 workdayssupply ability : 100, 000pcs/month