Specialty Seals

Specialty seals are specialized or proprietary products and accessories related to seals and sealing. They are manufactured according to customer specifications and designed for specific applications. Specialty seals or custom seals can meet demanding operating conditions. For example, specialty extruded seals for doors and windows offer excellent compression resistance, superior weatherability and chemical resistance, and low friction. Foil seals are safety seals indicate whether a container, package or enclosure has been opened. They provide visual evidence of product tampering. Specialty O-ring seals are similar in shape to a thick rubber band. Specialty O-ring seals are usually round, but are also available in rectangular, oval, or trapezoidal shapes for creating a watertight seal. Specialty gaskets are usually made of rubber and designed to prevent discoloration or odor absorption. Hermetic sealing is used to create a vacuum or leak-tight seal, insulate or channel electricity, or prevent the ingress of unwanted environmental contaminants and particles. Heat seals are flat, flexible, adhesive connectors that are bonded by heat. Industrial sealing is used between surfaces to contain fluids and prevent leaks.

Specialty seals are made of thermoplastic materials or Teflon, a registered trademark of DuPont. Teflon specialty seals are designed for use with many types of materials, including galvanized or stainless steel, iron, brass, copper, aluminum, polyethylene, and polyvinyl chloride (PVC). Polyurethane materials are also used to make custom seals. In general, polyurethane custom seals are tough and abrasion resistant. Foil seals include tamper-evident seals, barrier seals, and electronic seals. Hermetic sealing is created by joining ceramics, glass and metals in a specific configuration by furnace brazing. Hermetic sealing includes metal-to-metal seals, ceramic-to-metal seals, and glass-to-metal seals. Industrial sealing is manufactured in liquid, aerosol, powder, and paste form.

Specialty seals have a wide range of applications. Specialty extruded seals are used in window glazing, electrical boxes and panels, lighting enclosures, tool boxes, and door seals. Foil seals are used in industry, government, and consumer products to detect unauthorized attempts to open secured items. O-ring seals are used to keep water safely away from expensive electronics. Hermetic sealing is used in the automotive and aerospace industries, medical applications, and nuclear installations. Specialty seals or custom seals are also used in facilities management applications.

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Part Numbers for Specialty Seals