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  2. Araldite - Wikipedia

    en.wikipedia.org/wiki/Araldite

    The first batches of Araldite epoxy resins, for which the brand is best known, were made in Duxford, England in 1950. [1] Araldite adhesive sets by the interaction of an epoxy resin with a hardener. Mixing an epoxy resin and hardener together starts a chemical reaction that produces heat – an exothermic reaction. [2]

  3. J-B Weld - Wikipedia

    en.wikipedia.org/wiki/J-B_Weld

    The mixture sets in 4-6 hours and fully cures in up to 15 hours. It can be used as an adhesive, laminate, plug, filler, sealant, or electrical insulator and can be drilled, ground, tapped, machined, sanded, and painted when cured. J-B Kwik is a faster-curing two-part epoxy with medium-temperature resistance up to 300 °F (149 °C).

  4. Hot-melt adhesive - Wikipedia

    en.wikipedia.org/wiki/Hot-melt_adhesive

    The bonding temperature is lower than with most other HMAs, only about 50 °C (122 °F) to 70 °C (158 °F), when the adhesive behaves as a soft rubber acting as a pressure-sensitive adhesive. The surface wetting in this amorphous state is good, and on cooling the polymer crystallizes, forming a strong flexible bond with high cohesion.

  5. Wood glue - Wikipedia

    en.wikipedia.org/wiki/Wood_glue

    Liquid versions of hide glue are now available; typically they have urea added to keep the glue liquid at room temperature and to extend drying time. Examples of liquid hide glue are Old Brown Glue or Titebond Liquid Hide. Hide glue does not creep. Hide glue joints are easy to repair, by just heating and adding more hide glue. [7] [8] [9]

  6. Adhesive bonding - Wikipedia

    en.wikipedia.org/wiki/Adhesive_bonding

    Depending on the chemical basis, some adhesive types have limited thermal and chemical resistance and the mechanical properties of the bond are temperature dependent. Therefore, choose a type of adhesive that has been developed to have good thermal and chemical resistance, such as reactive hot melt adhesives.

  7. Temperature coefficient - Wikipedia

    en.wikipedia.org/wiki/Temperature_coefficient

    A positive temperature coefficient (PTC) refers to materials that experience an increase in electrical resistance when their temperature is raised. Materials which have useful engineering applications usually show a relatively rapid increase with temperature, i.e. a higher coefficient.

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