putty

  1. L

    The putty can't be sanded; is it possible to reduce the binding material again? Lower which addictive is better? Or add an air-entraining admixture?

    The interior wall putty included 40%cement and 40% calcium hydroxide. Workers complained that it is hard to sand. Can we reduce binding material again? Lower which addictive is better? Or add an air-entraining admixture?
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