*DUE TO HIGH SHIPPING RATES AND RISK OF BOX BREAKAGE FOR ITEMS WEIGHING 50 LBS AND ABOVE, WE STRONGLY SUGGEST YOU PICK UP THIS PRODUCT IN ONE OF OUR STORES. WE ARE NOT RESPONSIBLE FOR DAMAGE TO YOUR BOX(ES) DURING SHIPPING.
3 lb. Rigid Foam is a 2-part polyurethane expanding foam which expands as much as 18X to create rigid lightweight castings, parts, and backfill reinforcement of other materials. This is a lightweight 3 lb. density rigid foam, which means a cubic foot of expanded foam will weigh 3 lbs.
This product is mostly used as a filler, but works well as a casting medium if used properly. One problem is if you're trying to fill a mold, and you have no way to make it go into all of your detail, it will take the path of least resistance and just foam right out the top. In order to get it to fill th