Sometimes called black lead, more non-combustible than most ingredients, and therefore, used in rubber compounding to make articles capable of withstanding great heat. Inert. Tire Repairing and Vulcanizing - Pàgina 8per Henry Horace Tufford - 1918 - 98 pàginesVisualització completa - Sobre aquest llibre
| B.F. Goodrich Company, Goodrich, B.F., Rubber Company, Akron, O. - 1917 - 100 pàgines
...insulating and fire proof coverings. Plumbago Sometimes called black lead. More non(Graphite) combustible than most ingredients and therefore used in rubber...articles capable of withstanding great heat. Inert, safe in any compound, perfect conductor of electricity and not affected by heat, acids, alkalies, or... | |
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