What causes a cast to have a rough or chalky texture?

Show Answers

Pouring the mixture before 20 minutes have passedUsing an accelerator with a high reaction rateTrapping air bubbles within the mixtureAll of the above factors combined

Explanation

A rough or chalky surface on a cast can result from multiple issues: pouring the mixture too soon before 20 minutes, employing a high-speed accelerator, or incorporating air into the mix. Therefore, all these factors contribute to the problem.