Which of the following lubricants is added to the resin sand mixture for better flowability of the sand?

Which of the following lubricants is added to the resin sand mixture for better flowability of the sand? Correct Answer Zinc stearate

Some lubricants such as zinc stearate and calcium stearate are added to the resin sand mixture to improve the flowability of the sand, which helps in covering of maximum part of the metallic pattern efficiently and also permit easy release of the shell from the pattern.
Bissoy MCQ

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