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About Rubber Adhesives and Sealants
Rubber adhesives and sealants are highly flexible, natural or synthetic materials that are used to join components or fill gaps between seams or on surfaces. Natural rubber is based on polyisoprene. Synthetic rubbers and elastomers include silicone, polyurethane, polysulfide, styrene-butadiene rubber (SBR), butyl, acrylic or polyacrylate, isoprene, polyisobutylene, ethylene-vinyl acetate (EVA), vinyl and nitrile compounds. Pressure sensitive adhesives (PSAs) are often based on non-crosslinked rubber adhesives in a latex emulsion or solvent-borne form. Rubber adhesives and sealants are also available as aerosols, films, gels, liquids, slurries, solids, pastes, powders, and putties. They are compatible with substrates made from ceramics and glass, concrete and masonry, paper and paperboard, rubbers and elastomers, leather, textiles, metal, plastic, wood, porous surfaces, and composite materials. Rubber adhesives and sealants are used in a variety of aerospace, automotive, electrical, electronic, marine, medical, and military applications. They are also used in abrasives, optics, photonics, and semiconductors.
Rubber adhesives and sealants use several curing technologies. Air setting or film drying forms bonds by evaporating water or organic solvents. Anaerobic adhesives cure in the absence of air or oxygen. Thermoplastic or hot melt adhesives can be repeatedly softened by heat and then hardened or set by cooling. Thermoset adhesives are crosslinked polymeric resins that are cured with heat or heat and pressure. Single component rubber adhesives and sealants consist of a resin that hardens by reaction with surface moisture or the application of heat. Two or multi-component systems consist of two or more resins or a resin and hardener, crosslinker, activator or catalyst that, when combined, react and cure into a polymerized component or bond. Some abrasives use ultraviolet (UV) light, visible light, or electron beam (EB) irradiation to initiate curing. Reactive resins such as polyurethane reactives (PUR) are single component adhesives that react with moisture to crosslink and polymerize.
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Part Numbers for Rubber Adhesives and Sealants
| Part # | Distributor | Manufacturer | Product Category | Description |
|---|---|---|---|---|
| 70213 | Amazon | Devcon | Industrial & Scientific | Zipgrip 70213 1/3oz GPE 15 Rubber Bonder Bottle |
| 657E | Amazon | Fiberlay, Inc. | Industrial & Scientific | Fiberlay, Inc. 657e Rubber Spreader Econ |
| 55 GRSE 18KG PAIL | Amazon | Dow Corning | Industrial & Scientific | Dow Corning 55 GRSE 18KG PAIL O-RING LUBRICANT |
| 25224 | Amazon | Permatex | Industrial & Scientific | Permatex 25224 7oz Right Stuff Elastomeric Rubber Instant Gasket Maker Tube with 1.31 Spec. Gravity *SHIP GROUND ONLY* ORM-D |
| 4 CMPD 3.6KG | Amazon | Dow Corning | Industrial & Scientific | Dow Corning 4 CMPD 3.6KG ELECTRICAL INSULATING |
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