Casting Plaster - 20 Lbs for ??? "FREE SHIPPING" Start Price USD 18.00 Current Price USD 18.00 Time Left - Bid Count 0 Buy It Now Price - Reserve Price - Start Time Wednesday, November 19, 2008 End Time Wednesday, November 26, 2008 Location Oreland, Pennsylvania See more about 'Casting Plaster - 20 Lbs for ??? "FREE SHIPPING"' Description 20 pound carton of our Superfine Art Plaster Plaster Properties; Mix Ratio - 70 parts water to 100 parts plaster Set Time - 25 to 35 minutes Set Expansion - .020% Dry Compressive Strength - 2000  psi Please view  other plaster products in our ebay store called  PLASTER-SUPPLY and for detailed information regarding our products  at Plaster-Supply.com Place a Bid!