Antioxidants & Antidegradants
• UV-light promotes free radical oxidation of the rubber surface which results in the formation of a film of oxidized rubber on the surface of the product (called as Frosting) . • Heat & Humidity accelerate this process. • Light colored rubber products are more prone to UV-light attack than the black colored products (as
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4.12 Manufacture of Rubber Products - US EPA
Differences basically consist of the raw rubber material (natural or synthetic) used, the chemical additives, and the type of curing employed. The following is a description of a generic rubber manufacturing facility applicable to both tire and other manufactured rubber products, except where noted.
ASTM D297 - 15(2019) Standard Test Methods for Rubber Products—Chemical
General test methods shall be performed to determine the amount and type of some or all of the major constituents of a rubber product, and shall include determination of rubber polymer content by the indirect method, determination of density, and extract, sulfur, fillers, and ash analyses.
OCCUPATIONAL EXPOSURES IN THE RUBBER-MANUFACTURING INDUSTRY - Chemical
Occupational exposures in the rubber-manufacturing industry were considered by previous IARC Working Groups in 1981 and 1987 (IARC, 1982, 1987).Since that time new data have become available, which have been incorporated in this Monograph, and taken into consideration in the present evaluation.
About Us. At Goodyear Chemical, we’re focused on the quality of rubber products. Understanding and meeting customer needs is our mission, and that includes supplying the global marketplace with the highest quality products.
Finornic Chemicals (India) Pvt. Ltd.
Finornic Chemicals is one of the largest manufacturers and exporters of 2-mercaptobenzimidazole and its derivatives in India. We also offer various heterocyclic chemicals and their derivatives to the pharmaceutical industry worldwide and a range of rubber chemicals (antioxidants) to Europe, Japan & USA.
Rubber - Synthetic rubber production | Britannica
Rubber - Rubber - Synthetic rubber production: Synthetic elastomers are produced on an industrial scale in either solution or emulsion polymerization methods. (Solution polymerization and emulsion polymerization are described in the article chemistry of industrial polymers.) Polymers made in solution generally have more linear molecules (that is, less branching of side chains from the main
Antioxidant | chemical compound | Britannica
Antioxidant, any of various chemical compounds added to certain foods, natural and synthetic rubbers, gasolines, and other substances to retard autoxidation, the process by which these substances combine with oxygen in the air at room temperature. Retarding autoxidation delays the appearance of