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Old 08 September 2015, 02:47   #1
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Country: Australia
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PVC to Hypalon ?

Hi All,

I have just bought my first 2nd hand RIB. It is a 2011 Stealth 4.2 m. One of the rear pontoons has a pin hole leak and a pretty average patch job done on both pontoons. I want to fix this by cutting the rear pontoon ends off, shortening this by about 150mm and attaching a conical end.

Will this work attaching hypalon to PVC, or does it have to be PVC - PVC.

Does anyone have an opinion on this and any tips.

Thanks Andrew
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Old 09 September 2015, 08:29   #2
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Unless you're going to halogenate the surface of the hypalon, I don't recommend cross gluing PVC-to-Hypalon. Plasticizer migration will destroy the bond in about a year.

Unless you are an experienced inflatable technician, I do not suggest you take on a cone end replacement.
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Old 09 September 2015, 09:57   #3
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>>>I don't recommend cross gluing PVC-to-Hypalon. Plasticizer migration will destroy the bond in about a year.

I know you don't need a novice to confirm what you know but that fits in with the experience of this old Aerotec I've been refurbing. The previous owner did some repairs last year and used Hypalon patches on the PVC floor plus he glued two Hypalon davit patches onto the PVC tubes.

One year on these patches peeled off with almost no effort.
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Old 09 September 2015, 10:20   #4
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Quote:
Originally Posted by Fenlander View Post
>>>I don't recommend cross gluing PVC-to-Hypalon. Plasticizer migration will destroy the bond in about a year.

I know you don't need a novice to confirm what you know but that fits in with the experience of this old Aerotec I've been refurbing. The previous owner did some repairs last year and used Hypalon patches on the PVC floor plus he glued two Hypalon davit patches onto the PVC tubes.

One year on these patches peeled off with almost no effort.
If a product like Kiilto TR Primer or Bostik Actisol SPW is used on the surface of the hypalon to halogenate it, and then a vinyl-type adhesive is used, the negative interaction can be mitigated...

But, it's easier just to use the same material with the proper adhesive.

It's an interesting reaction. The glue just turns in to rubbery snot.
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