Glossary for Seals, Gaskets, O-Rings, Orings, Rubber.
This is perhaps the most comprehensive glossary of seal, gasket, packing and molded rubber parts terms available on the internet.
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Face Seals - Rubber rings used like a gasket between two flat pieces of metal.
Failure Modes Analysis (FMA) - A formal, structured procedure used to analyze failure mode data from both current and prior processes to prevent occurrence of those failure modes in the future.
Fastener Seals - See Bonded Seals.
Feasibility - A determination that a process, design, procedure, or plan can be successfully accom- plished in the required time frame.
Fibre Seal Rings - Aa gasket or other die cut, water-jet cut or formed ring used to seal between two surfaces.
Filler - Any compounding material, usually in powder form, added to rubber in a substantial volume to improve quality or lower cost. The most important reinforcing filler is carbon black. The most important inert filler, diluent or extender is whiting.
Finish, Mold - The quality or appearance of the machined surface of a mold.
Finish, Product - The quality or appearance of the surface of a rubber product.
Finite Element Analysis - A technique for modeling a complex structure. When the mathematical model is subjected to known loads, the displacement of the structure may be determined.
Flange Packings - A pipe flange gasket.
Flange Seals - A seal used on the bolt-up flange on a hydraulic systems - usually on the hose fitting or pipe flanges.
Flash - Excess rubber on a molded product resulting from cavity overflow at the parting lines where the mold sections are separated.
Flex cracking - A cracking condition of the surface of rubber articles such as tires and footwear, resulting from constantly repeated bending or flexing in service.
Flow Marks - Surface imper- fections due to improper flow and failure of stock to knit or blend with itself during the molding operation.
Friction - Resistance to motion due to the contact of surfaces.