How to Make a 2 Piece Core Mold: Concrete Urn Example

Step 4: Dispensing and Applying Reoflex 40

Dispense ReoFlex® 40 mold rubber 1A : 1 B by volume and mix thoroughly for three minutes, be sure to scrape the bottom and sides of the container. Pour rubber into the cavity and let the mold rubber cure for 16 hours at room temperature (72F/23C).

DO NOT COVER THE BOTTOM OF THE ORIGINAL MODEL. The exposed area will represent a pour spout.

‹ Previous: Final Preparation of Model Next: Demold and Preparing Mold ›