Sponge concrete cleaning out ball

The sponge concrete cleaning out ball is made of natural rubber with good resilience, wear resistance. The sponge ball fully fits the inner wall of the pipe, which is highly efficient to eliminate cement, concrete from concrete pump tube pipe & hose.


soft ,hard ,medium sponge cleaning out ball for concrete pumping pipe and hoses


The sponge ball has sufficient filler, uniform pores and strong water absorption, and it is durable and can be used for many times. 


Sponge concrete cleaning out ball technical data

The cleaning ball has good elasticity, tear resistance, uniform density and no odor.

Rubber content  Dry Gravity  Tensile Strength  Density  Compression Ratio  Aging coefficient  Deformation rate Expansion rate
 ≥ 80% ≤ 0.5 16Mpa/cm2 250kg/m3  30% ~50% ≥ 0.8 ≤ 10% ≤ 5%


Tips for using Sponge Concrete Cleaning Out Ball

100mm sponge ball is using for DN80 concrete pump pipe.

125mm sponge ball is using for DN100 concrete pump pipe.

150mm sponge ball is using for DN125 concrete pump pipe.


sponge clean ball for concrete pipe


Sponge Cleaning Out Ball Supplying Range:

2'' 3'' 4'' 5'' 6'' sponge cleaning out balls


We have different sponge cleaning ball size in stock, and ball catcher for supplying. Small order quantities is acceptable.


 Item  Hardness  Diameter mm 
 2'' soft ,hard ,medium  62
 3'' soft ,hard ,medium 92
 4'' soft ,hard ,medium 125
 5'' soft ,hard ,medium 150
 6'' soft ,hard ,medium 175




  • Heat resistance up to 60℃ - 70℃.
  • Low temperature resistance up to -40℃.
  • Extremely elastic, ductile and compressible.
  • Good corrosion behaviour and high absorbency.


We also offer rubber hoses and pipeline, learn more please click follow.

putzmeister zx pipe tubeconcrete pumping end hoses