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Pressure Sensitive Adhesives (PSA) and Contact Adhesives

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About Pressure Sensitive Adhesives (PSA) and Contact Adhesives

Pressure sensitive adhesives (PSA) and contact adhesives adhere to most surfaces with very slight pressure. They are available in solvent and latex or water-based forms. Pressure sensitive adhesives (PSA) and contact adhesives are often based on non-crosslinked rubber adhesives, acrylics or polyurethanes. Pressure sensitive adhesives form viscoelastic bonds that are aggressively and permanently tacky. They adhere with just finger or hand pressure and do not require activation by water, solvent or heat. Pressure sensitive adhesives are often based on non-crosslinked rubber adhesives in a latex emulsion or solvent-borne form.

Pressure sensitive adhesives (PSA) and contact adhesives are available in a wide variety of chemical compositions or systems. Some of the most common types of systems include acrylic and methacrylate adhesives, rubber-based pressure sensitive adhesives, styrene copolymers (SIS / SBS), and silicones. Acrylic adhesives are known for excellent environmental resistance and fast-setting time when compared with other resin systems. Acrylic pressure sensitive adhesives often use an acrylate system. Ethylene ethyl acrylate (EEA) or ethylene methyl acrylate (EMA) copolymers are used to form hot melt PSA adhesives. Natural rubber, synthetic rubber or elastomer sealants and adhesives can be based on a variety of systems such silicone, polyurethane, chloroprene, butyl, polybutadiene, isoprene or neoprene. Rubber and elastomers are characterized by their high degree of flexibility and elasticity (high reversible elongation). Styrene-isoprene-styrene (SIS) and styrene-butadiene-styrene (SBS) copolymers are commonly applied in pressure sensitive adhesive applications. Silicone is produced through the hydrolysis and polymerization of silanes and siloxanes.

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Products & Services Related to Pressure Sensitive Adhesives (PSA) and Contact Adhesives

Anaerobic Adhesives and Anaerobic Sealants
Anaerobic adhesives and anaerobic sealants cure in the absence of air or oxygen.
Cyanoacrylate Adhesives
Cyanoacrylate adhesives are one-part acrylate adhesives that cure instantly on contact with mated surfaces through a reaction with surface moisture. Cyanoacrylates are often called super glues. 
Hot Melt Adhesives
Hot melt adhesives are solvent-free chemical compounds that are used to join materials. They can be repeatedly softened by heat and hardened or set by cooling, allowing parts to be removed or repositioned during assembly.
Plastic and Rubber Balls
Plastic and rubber balls are sphere shapes that are used as check or ball valves, bearings, and in other applications.
Polymers and Plastic Materials
Polymers 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.
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.
Thermal Compounds and Thermal Interface Materials
Thermal compounds and thermal interface materials form a thermally conductive layer on a substrate, between components or within a finished product.

Other Topics You Might Be Interested In

  • Pressure Sensitive Adhesives (PSA)
    Pressure sensitive adhesives (PSA) or contact adhesives are aggressively and permanently tacky at room temperature in dry (solvent free) form. They adhere firmly to a variety of dissimilar surfaces...
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Engineering Web: Pressure Sensitive Adhesives PSA and Contact Adhesives

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Adhesive Guide For Acrylic Foam Tapes 3M US Automotive OEM...
Please Contact Us.   Pressure Sensitive Adhesives
See 3M Automotive OEM Solutions Information
FAQs - 3M? Weatherstrip & Sealing Attachment Tapes US...
With a PSA (pressure sensitive adhesive) tape, the rubber extrusion must be prepared with adhesive promoter and dried prior to laminating the PSA
See 3M Automotive OEM Solutions Information
SN Archive Adhesives Tech News
Institutions use pressure-sensitive adhesive (PSA) labels for inventory management in large collections needing long-term stability.
See ASTM International Information
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