WHAT ARE CASTABLE URETHANE ELASTOMERS?
Castable Urethane ELASTOMERS are materials which can be stretched and will recover instantaneously on release. They are thermosetting, as are natural and synthetic rubbers. In simple terms, an Elastomer is a material which can be stretched at room temperature to twice its own length, held for five minutes, and upon release, will return to within 10% of its original length over a period of time. Once cured these materials are not re-formable and can not be liquefied by the application of heat, like thermoplastics. THE MAIN SIGNIFICANT PROPERTIES OF CASTABLE ELASTOMERS There are basically two types of Castable Urethane Elastomers. They are based on either POLYETHERS and/or POLYESTERS. Both Polyether and Polyester based elastomers have excellent physical properties, including abrasion resistance, load bearing characteristics and many other useful properties like tensile strength and tear resistance. These are tough durable materials that offer unique advantages over other materials. The c
