name

rubber sponge cleaning ball

size

(2inch)   soft ,hard ,medium soft

OD 60mm

 (3 inch)    soft ,hard ,medium soft

OD95mm

 (4 inch)   soft ,hard ,medium soft

OD124mm    

(5 inch)   soft ,hard ,medium soft

OD150mm    

(6 inch)   soft ,hard ,medium soft

OD175mm

Other sizes and types upon request

Material

natural rubber

applacation

cleaning the pipeline of concrete pump and concrete pump truck in construction work equipment

serving brands of mounted truck concrete pump and concrete pump

  Sany ,PM, Zoomlion,Schwing,CIFA and so on