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Castable refractory curing and drying procedure

How To Cure Refractory Cement

Mar 12, 2009 Ive got a usage manual from the refractory company, the correct procedure is after drying the cement about 48 hours, the first drying and firing waaaay too long. Guide says I have to go up 150 C in 68 hours and keep at that temp about 12 hours, then in 12 hours I have to go up to 550C and hold there about 1 hour for every 1 thickness.

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