Thread: Kydex Adhesive?
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Old 12-16-2005, 12:46 AM
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This is quoted directly from www.kydex.com:

The best joints can be obtained using a viscous solvent cement consisting of about 10% KYDEX? Sheet shavings or sawdust dissolved in a 50/50 mixture of tetrahydrofuran (THF) and methylethylketone (MEK). The KYDEX? Sheet shavings should be dissolved in the straight THF first, before adding the appropriate amount of MEK. Both of these solvents are available from lab supply companies such as Fisher Scientific (Web: http://www.fishersci.com/) Ashland Chemicals (Web: http://www.sigmaaldrich.com/), or other chemical distributors.

Without the KYDEX? Sheet shavings, a relatively fast-acting capillary adhesive can be made by using only the 50/50 THF and MEK mixture. THF works well at 100%,but it tends to flash off too quickly resulting in a poor joint. The addition of MEK slows down the evaporation rate and affords greater time to work with the joint.

Adhesives:

In addition to chemical solvents, good bonds (both KYDEX? Sheet to it self and KYDEX? Sheet to other materials) can be obtained from various commercially available adhesives. Some examples are:

Cyanoacrylate adhesives (e.g. ?Super Glue?), such as Henkel?s S1000 Power Series (contact Henkel in the US at 800-934-9401 or on the Web at http://www.henkel.com/), yield very high joint strength for bonding KYDEX? Sheet to itself or to other materials. They are especially suitable for smaller areas of application where a very fast cure is desired.

THF based adhesives by IPS work extremely well for KYDEX? Sheet to KYDEX? Sheet applications. Any of the following IPS Weld-On adhesives can be used: #4052, #4007, and #1007. For more information on these products, please contact IPS in the US at (800) 421-2677, or on the web at http://www.ipscorp.com/. Tangit manufactured by Henkel, and HAKU 2091 manufactured by Chemische Werke Kluthe GmbH. Chemische Werke Kluthe GmbH (Web at http://www.kluthe.de/kluthe/) are other acceptable products. These adhesives also work well for KYDEX? Sheet to PVC and KYDEX? Sheet to ABS applications.

Urethane based adhesives are available in easy-to-use two-part cartridge dispensers and result in good bonds. One such example is Ciba?s Uralane 5774 adhesive. Ciba can be reached in the US by calling (818) 247-6210, in Europe by calling 44.1223.832.121 or on the web at http://www.cibasc.com/

Acrylic based adhesives such as Devcon?s ?Plastic Welder ? or ?Plastic Welder II? can be used to form very strong bonds with KYDEX? Sheet. Both of the ?Welder? products are 2-part adhesives, which are available in cartridges. The Welders produce a strong bond, which cures in about 15 minutes; the adhesive is white in color. There is a ?Flex Welder?, which produces a somewhat flexible bond which cures in roughly a half an hour. Flex Welder is yellow in color although it does not give as good a bond as the Plastic Welder and Plastic Welder II. You may order the ?Welder? products from Devcon in the US by calling (508) 777-1100, in Europe by calling 44.1.933.675.299 or on the web at http://www.devcon.com

Adhesive Engineering & Supply offers ?adhesive 310B? in black which is comparable to Plastic Welder. They can be reached in the US by calling (800) 888-4583, or on the web at www.stick-it.com

Most hardware stores carry an adhesive for PVC pipe. This type of adhesive usually works well with KYDEX? Sheet.


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