How To Cure Refractory Cement

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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