Glossary

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RE - Terminology derived from the ASTM-D-1056-65 specification. The R stands for cellular rubbers made from natural rubber, synthetic rubber or rubber-like materials, alone or in combinations where specific resistance to the action of petroleum based oils is not required. The E is a designation for closed-cell material.

Resiliency - A test to determine the shock absorption properties of a foam. On this test, a material is placed flat on an instrument and a weight is dropped onto it from a specified height. The amount of bounce is then taken from a scale to get the final value. The lower the value, the higher the shock absorption properties of the foam.

RO - Terminology derived from the ASTM-D-1056-65 specification. The R stands for cellular rubbers made from natural rubber, synthetic rubber or rubber-like materials, alone or in combinations where specific resistance to the action of petroleum based oils is not required. The O is a designation for open-cell material.

Rubber - A material that is capable of recovering from large deformations quickly and forcibly, and can be, or already is, modified to a state in which it is essentially insoluable (but can swell) in boiling solvent.

Rubber Based Adhesives - An adhesive made from one or more synthetic or natural elastomers and tackifiers to produce a pressure-sensitive adhesive. These adhesives are characterized by having higher quick tack and adhesion than acrylics, however, they lack aging and weather resistance.