الفهرس | Only 14 pages are availabe for public view |
Abstract A. GeneralRRubber is indispensable to modern civilization./ Its existing importance lies in every form of transpOrt for tyres and inner tubes. About 80 percent of all’ rubber is used in the motor industry, mainly for tyres. A large proportion of the remainder goes into what is known as mechanical goods which include such articles as belting,wires, and cables. Most of these articles are absolutely vital to the operation of the industry in general. Alarge quantity of rubber goods plays an important part in daily life s,uch as, soles, and heels tor foo twear,rubberized fabric, medical, surgical, dental, and drug sundries as well as innumerable other types of products. Rubber has many additional applications, such as in the packaging industry e.g. artificial leather; as an adhesj- ve. , in the paint and varnish industry, and in tllermoplb.3- tic resin industry. Rubber is becoming increasingJ~im- portat as engineering material because of’ the superiority <Ii to plastic material in many important properties • .Tb-e technical development of the rubber indus try is |