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Introduction to rubber processing and safety issues

compound (open mill mixing) but also warming of pre-mixed compound (known as warming or cracker m ills), or for cooling compound mixed in an internal mixer (known as dump mills). The main mechanical hazard is the nip between the main mill rolls in forward (and reverse) motion.

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EFFECT OF ZINC OXIDE LEVEL AND BLEND RATIO ON …

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obtained show that the use of lower or higher than recommended level of Zinc Oxide in rubber vulcanization can lead to inferior or poor quality vulcanizate. Zinc Oxide level of 5.0 phr gave ... and the rubber blend produced was later transferred to a two-roll mill which converted it ... curing of the compound mix. The rubber blends were ...

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The second step is the mixing of the treated fiber into the rubber formulation during the rubber compounding operation in an intensive (Banbury) or two roll mills. The product from this step is a homogeneous rubber compound reinforced with fiber.

Sample of a typical ISO standard

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