Glossary

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SAE-J-18 - A test method which covers flexible cellular products known as sponge rubbers and expanded rubbers. It is essentially the same as ASTM-D-1056. The SAE stands for Society of Automotive Engineers.

SBE - Terminology derived from the ASTM-D-1056-65 specification. The SB Designation stands for cellular rubbers made from synthetic rubber or rubber-like materials having oil resistance with low swell. The E is a designation for closed-cell material.

SBR - Styrene-butadiene rubber. A polymer used in the manufacture of expanded rubber. It is very economical and possesses no unique chemical resistance properties.

SCE - Terminology derived from the ASTM-D-1056-65 specification. The SC Designation stands for cellular rubbers made from synthetic rubber or rubber-like materials having oil resistance with medium swell. The E is a designation for closed-cell material.

Scrim (Tissue) - A thin layer of fabric type material that open-cell sponge rubber is extruded and cured upon. It primarily improves the bonding characteristics to PSA and other types of adhesives.

Self-Extinguishing - A somewhat loosely used term describing the ability of a material to cease burning once the source of flame has been removed.

Shelf Life - The period of time that a product can be stored under specific conditions and still remain suitable for use.

Shore - A company that manufacturers testing and other related types of equipment. “00” is a type of durometer used to test the hardness of cellular rubber. “A” is a type of durometer used to test the hardness of solid rubber.

Shrinkage - An inadvertent dimensional decrease of cellular structure without an actual breakdown or collapse of the cell. This characteristic is relatively common in all cellular rubber and plastic products. The primary cause is the equalization of pressure from the manufacturing process to normal atmospheric pressures.

Silicone - A rubber made from silicone elastomers and noted for its retention of flexibility, resilience, tensile strength and wide temperature range.

Skin - A relatively dense layer at the surface of a cellular rubber material. This layer is the result of exposure to heat and/or contact with a mold during the manufacturing process.

Skive - To shave or cut off the surface of a rubber material in a horizontal manner. Sometimes referred to as splitting which means to divide sharply or cleanly into layers.

Slitting - The action of cutting material to width.

Specification - A document that spells out the requirements for a particular material or group of materials. It normally details the physical properties, performance requirements, general composition, sampling procedure and packaging characteristics.

Sponge Rubber - A cellular rubber consisting predominantly of open cells made from a solid rubber compound. These products are manufactured in sheet, roll, strip, and molded or special shapes. Sometimes referred to as foam rubber.

Sportloop - An unbroken loop fabric meeting your need for a low cost, economical and moderate cycle life hook compatible fabric .

Stripping - A product and/or process of producing a long, narrow piece of material that is uniform in width. Sometimes referred to as slitting.

Substrate - The surface to which a pressure-sensitive tape, fabric, foam, etc. is applied.

Supazote® - A closed cell chemically crosslinked polyethylene foam manufactured by Zotefoams. It is formulated to provide an extremely soft feel and is very elastic. This family of material is ideal for use in healthcare applications.