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  2. J-B Weld - Wikipedia

    en.wikipedia.org/wiki/J-B_Weld

    A package of J-B Weld, showing "hardener" (red tube) and "steel" (black tube of resin): equal amounts are squeezed from both tubes and mixed. The J-B Weld Company is an international company that produces epoxy products. The home office is based in Sulphur Springs, Texas. [1]

  3. Epoxy value - Wikipedia

    en.wikipedia.org/wiki/Epoxy_value

    The epoxy value is defined as the number of moles of epoxy group per 100g resin. So as an example using an epoxy resin with molar mass of 382 and that has 2 moles of epoxy groups per mole of resin, the EEW = 382/2 = 191, and the epoxy value is calculated as follows: 100/191 = 0.53 (i.e. the epoxy value of the resin is 0.53). [6]

  4. Resin casting - Wikipedia

    en.wikipedia.org/wiki/Resin_casting

    Alternately, resin casting may be accomplished with a resin plus a nearly equal amount of a "hardener" liquid (as in many epoxy resin or polyester resin systems), which functionally contains a second polymer, for use in forming a final product plastic which is a copolymer. Copolymers contain two different alternating chemical entities in the ...

  5. Resin dispensing - Wikipedia

    en.wikipedia.org/wiki/Resin_dispensing

    A very good way is the use of piston metering heads. The ratio of resin to hardener can be determined exactly by the ratio of the width of two separate pistons, one for resin, one for hardener, where both pistons are pushed simultaneously. The amount is determined by a common stopper, limiting the stroke of both pistons equally.

  6. Epoxy - Wikipedia

    en.wikipedia.org/wiki/Epoxy

    When using latent hardeners, the epoxy resin and hardener may be mixed and stored for some time prior to use, which is advantageous for many industrial processes. Very latent hardeners enable one-component (1K) products to be produced, whereby the resin and hardener are supplied pre-mixed to the end user and only require heat to initiate curing.

  7. Araldite - Wikipedia

    en.wikipedia.org/wiki/Araldite

    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] It is claimed that after curing the bond is impervious to boiling water and to all common organic solvents.

  8. Synthetic resin - Wikipedia

    en.wikipedia.org/wiki/Synthetic_resin

    Vinyl ester resin is an example of a synthetic resin. [1] Synthetic resins are industrially produced resins, typically viscous substances that convert into rigid polymers by the process of curing. In order to undergo curing, resins typically contain reactive end groups, [2] such as acrylates or epoxides.

  9. Matrix (composite) - Wikipedia

    en.wikipedia.org/wiki/Matrix_(composite)

    The price of the vinyl ester resin is similar to that of the polyester resin. It utilizes the same hardeners as polyester resin (at a similar mix ratio). It doesn't degrade much over time, when compared to polyester resin, and is more flexible. Generally, vinyl ester resin is considered as fuel resistant.

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