Urethane Rubber Mold for Plaster or Concrete Casting April 17, 2017 Our 75 Shore A Urethane Rubber is a pourable material great for making molds that stand up well to repeated castings of cement, concrete, Hydrocal, plaster and other gritty and/or abrasive materials. It is a 1:1 by volume mix ratio, so no scale is needed. For this project, I will be making a one piece […]
Trouble Shooting-Common Problems with Silicone, Latex, Urethane, Epoxy March 23, 2017 Sometimes, when working with new materials or working familiar materials in a new way, you run into issues. We previously wrote a post about common problems with curing, https://www.aeromarineproducts.com/curing-issues-trouble-shooting/ This post will focus on issues that might have a curing component (soft spots, sticky areas, etc.), but mostly on problems with the materials acting in unexpected […]
