Dispense equal amounts of Rebound 25™ A + B into a mixing container and mix thoroughly, making sure to scrape the sides and bottom of the container many times. Continue mixing until you have eliminated all color streaks. Then, brush a very thin layer onto model, taking care to work the rubber into the fine detail. Cover the entire model and create a 3'' (7.6 cm) flange in all directions around the model. Allow the rubber to cure for 60 minutes until tacky.