Recommended to work with hard wax such as soy wax/beeswax blends, hard gel wax, plam wax. Temperature Limit: This mold permitted useful temperature range is between -20℃ to 200℃. After the candle is fully cool, squeezing the sides gently to make your candle come out easily. ● How to Demold: Before pouring the melted wax into a mold, lightly coat the inside of the candle mold with a little cooking oil or olive oil.