... Rubber,Carbon Black,Oil,Additive,Rubber Accelerator) to Banbury Mixer,and produce sizing material.proportion of raw material is very ... -17.275-18,300-17, 300-18, 350-8,400-8, 350-16, 350-17, 350-18, 325-18, 410-18, 80/90 ... -17,90/90-18,110/90-16, 130/90-15 ... AND INNER TUBEInsideDiameter8"10"12"14"&15"16"17"18"19"&21"Model300-8300-10300-12225-14225-16225-17225 ...