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The novalak – acid system needs what temperature conditions?(a) 15°C – 25°C(b) 25°C – 35°C(c) 35°C – 45°C(d) 45°C – 55°CThis question was addressed to me by my college director while I was bunking the class.Asked question is from Comparative Properties of Gas-Vapour Cured Resin Binders in portion Binder Technology of Casting-Forming-Welding II

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The correct option is (c) 35°C – 45°C

The best I can explain: The NOVALAK – acid SYSTEM needs to be operated in between the TEMPERATURE RANGE of 35°C – 45°C. When this system gets operated in these temperature ranges, it is observed to yield best results.



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