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Product Categories for optical density (od)
Neutral Density Filters -
(65 companies)
Neutral density filters are designed to reduce transmission evenly across a portion of the spectrum. They are slightly sensitive to angles but they are much more forgiving than interference filters
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Laser Protective Eyewear -
(27 companies)
Laser protective eyewear includes glasses and goggles designed to filter out harmful radiation from lasers.
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Plastics and Plastic Materials -
(779 companies)
Plastics and plastic materials are organic, synthetic or processed polymers that are supplied as raw materials or stock shapes. They typically consist of thermoplastic or thermosetting resins and can be made into many forms.
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Carbon Steels and Alloy Steels -
(666 companies)
Carbon steels and alloy steels are ferrous alloys that contain carbon and other alloying elements such as manganese, chromium, molybdenum, and nickel.
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Electrical Conduit and Fittings -
(419 companies)
Electrical conduits and fittings are lengths of solid tubing used to house, protect, and cover electrical wiring and cables in power distribution systems.
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Thermoplastics and Thermoplastic Materials -
(587 companies)
Thermoplastics and thermoplastic materials soften when heated and harden when cooled. They can withstand many heating and cooling cycles and are often suitable for recycling.
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Specialty Polymers and Resins -
(381 companies)
Specialty polymers and resins are proprietary polymers, resins, monomers and intermediates. This category includes plastics and elastomers that are based on proprietary curing technologies or chemistries, or that are designed for specialized applications.
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Elastomers and Rubber Materials -
(478 companies)
Elastomers and rubber materials are characterized by their high degree of flexibility and elasticity (high reversible elongation or resilience).
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Thermosets and Thermoset Materials -
(301 companies)
Thermosets and thermoset materials are crosslinked polymeric resins that are cured or set using heat or heat and pressure. They generally have a higher resistance to heat than thermoplastics.
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Oxide Ceramics (Alumina, Zirconia, Silicates) -
(152 companies)
Oxide ceramics include alumina, zirconia, silica, aluminum silicate, magnesia and other metal oxide based materials.
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Electrical Contacts and Contact Materials -
(91 companies)
Electrical contacts and contact materials are soft, high-conductivity, oxidation- resistant materials that are used in circuit breakers, relays, switches, and electrical discharge machining (EDM) applications. They often have a second phase in order to provide anti-welding and/or arc resistance.
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Refractory Shapes -
(191 companies)
Refractory shapes include recasted, preformed or sintered refractory products that are formed prior to installation in furnaces, boilers or other high temperature equipment.
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Electroceramics, All Types -
(217 companies)
Electroceramics are ceramic materials that have been specially formulated for specific electrical, electro-magnetic, or optical properties. They include dielectric ceramics, electrostrictive ceramics, ferrite ceramics, garnets (ferromagnets), and piezoelectric ceramics
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Electrical Brushes and Brush Materials -
(32 companies)
Electrical brushes and brush materials are used in conjunction with slip rings, commutators or other contact surfaces to maintain an electrical connection in rotary and linear sliding contact applications.
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Ceramic Balls -
(48 companies)
Ceramic balls are rolling, spherical elements that are used in check and ball valves, bearings, and other mechanical devices that provide rotary or linear motion. They can provide higher stiffness, lower thermal expansion, lighter weight, increased corrosion resistance, and higher electrical resistance than comparable steel products.
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Other Topics You Might Be Interested In
Spectral absorption is expressed by Lambert-Beer’s law and is based on compiled work by Pierre Bouguer and Johann Heinrich Lambert in the 1700’s, as well as August Beer a century later.
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Bandwidth: The wavelength range that a filter passes. This width is defined at a specific transmission value. In the case of interference filters, the standard is to define bandwidth as Full Width at...
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