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Old 01 March 2007, 15:20   #11
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It may be worth your while having a look at this site
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Old 01 March 2007, 15:48   #12
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Polymarine looks like a good product.
Does anyone know who supplies in the US?

Is the 2903 solvent used as a primer before any adhesive in PVC or only before polymarine?

Any opinions on Stabond?

thanks!
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Old 01 March 2007, 16:00   #13
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Stabond 2 part adhesive works fine. You may be able to find it easier in the US since it is distributed by Mercury Marine for use on their PVC inflatables. You may be able to find it locally if there is a Mercury dealer selling their inflatables.

Duotex is a made up marketing word used to describe the base fabric that has been coated. 1100 decitex (dtex) is textile industry terminology used to describe the yarns that the base fabric are woven from.

If you do have a PVC tube, Stabond will work. You can use acetone to prepare and clean the surfaces you want to join with the glue. Do not use paint thinner or turpentine instead of acetone.

DB
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Old 01 March 2007, 16:06   #14
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The purpose of the solvent or acetone is to clean and soften the PVC or just clean before the glue???
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Old 01 March 2007, 16:25   #15
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The solvent you need is MEK (Methyl-ethyl-ketone). For want of a better explanation, it conditions the surface for the adhesive. Polymarine do not make the adhesive, they market it under their own name. Bostik is a manufacturer of a suitable adhesive but I can't remember the part number. As suggested, if the area to be repaired is small a PVC repair adhesive from an alternative source will be suitable.
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Old 01 March 2007, 16:31   #16
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Before cleaning with solvent I should sand the surface of the tube (PVC), or just begin by cleaning with solvent, with no sanding and continue with the repair??
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Old 01 March 2007, 16:41   #17
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The solvent will clean and prepare the surface for the adhesive. I agree with jwalker that MEK is the best solvent to use. In North America it is not the easiest solvent to source. I suggested acetone since it is usually easy to obtain. It will not be as "aggressive" as MEK, but it works.

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Old 01 March 2007, 16:45   #18
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No sanding then to patch a PVC tube,,,,unless there is a need to feather the seam to eliminate the step right????
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Old 01 March 2007, 16:56   #19
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Yep, no sanding unless needed to remove the step. After wiping the repair area with solvent and allowing the solvent to evaporate, the surface should feel tacky or sticky. If the surface doesn't feel tacky, you probably have an old, weathered tube that may require some light sanding.

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Old 02 March 2007, 01:18   #20
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Quote:
Originally Posted by jwalker View Post
Bostik is a manufacturer of a suitable adhesive but I can't remember the part number. As suggested, if the area to be repaired is small a PVC repair adhesive from an alternative source will be suitable.
Bostik adhesives are impossible to find in the US (at least, any that I would be interested in.)

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