Q. What is the percentage of elongation of styrene butadiene?

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Q. What is Buna N rubber?

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Q. What is the service temperature of polysiloxane?

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Q. What is the hardening temperature of unvulcanized natural rubber?

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Q. Which of the following is not a characteristic of natural rubber?

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Q. Addition of ______ results in the vulcanization of rubber.

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Q. __________ is a reinforcement filler.

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Q. Buna S rubbers consisting of over 50% styrene are considered as _________

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Q. What is ACM elastomer?

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Q. What is the glass transition temperature of polybutadiene?

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Q. What is Hypalon?

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Q. How much sulfur must be added to rubber for vulcanization?

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Q. What is the tensile strength of vulcanized rubber?

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Q. ________ is the process of spreading sheets of compound over a fabric.

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Q. Which of these is not an ln operation of calendering?

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Q. Warming up of a compound and feeding it to an extruder is the operation of _________

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Q. Injection molding uses a _________ for unvulcanized rubber.

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Q. Epoxy adhesives are widely used in _________

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Q. Araldite glue is primarily used in ________

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Q. _________ glue is used for curing with water.

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