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What is a Dried Natural Rubber Process (DNR) ?

April 26, 2017DNR dried natural process rubber

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What is a Dried Natural Rubber Process (DNR) ?

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This involves compressing the natural rubber at a high temperature and pressure. The plant proteins, responsible for the allergy, are denatured at these temperatures and pressures and therefore pose a lower risk than rubber made by the NRL process. 9. What is a Ribbed Smoked Sheets (RSS) This material consists of deliberately coagulated rubber sheets, completely dried using smoke. These sheets are then graded into three main grades according to their color, consistency and observed impurities. The purest is 1RSS , then 2RSS then 3RSS, 4RSS, 5RSS. RSS are used when extra tough (due to extensive cross linking) rubber is needed. Some applications are tires, tank liners, industrial products, etc.