 ... making jet black semi-hard rubber. RUBBER WASTE : Used as a filler, when reclaimed. SOAPSTONE : Used in place of talcs to keep rubber surfaces from sticking and as an adulterant. SULPHUR: Without which rubber could not be vulcanized. There is from...  A Wonder Book of Rubber - Pàgina 37per B.F. Goodrich Company, Goodrich, B.F., Rubber Company, Akron, O. - 1917 - 72 pàginesVisualització completa - Sobre aquest llibre
 | Henry Horace Tufford - 1918 - 108 pàgines
...rubber could not be vulcanized. There is from 3% to 7% of sulphur in tread gum compounding. TALC : Used in preventing rubber surfaces from sticking together...manipulation or vulcanization. It is also used for dusting moulds to prevent gum from sticking to metal. It is sometimes used as a compound. WHITING : Made from... | |
 | Henry H. Tufford - 1918 - 114 pàgines
...rubber could not be vulcanized. There is from 3% to 7% of sulphur in tread gum compounding. TALC : Used in preventing rubber surfaces from sticking together...manipulation or vulcanization. It is also used for dusting moulds to prevent gum from sticking to metal. It is sometimes used as a compound. WHITING: Made from... | |
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