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| best long term adhesive for PVC to blue barrel plastic? http://byap.backyardmagazines.com/forum/viewtopic.php?f=8&t=10403 |
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| Author: | antisense [ Aug 30th, '11, 13:59 ] |
| Post subject: | best long term adhesive for PVC to blue barrel plastic? |
Just wondering from others experiences what works the best for adhering PVC to blue barrel plastic? I would like the bond to last for a long time obviously. Was thinking a general acetic cure silicone.... Would sikaflex be better? The surface is going to be inside my GB's so will be in contact with GB water. Cheers ^_^ |
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| Author: | arbe [ Aug 30th, '11, 14:46 ] |
| Post subject: | Re: best long term adhesive for PVC to blue barrel plastic? |
What are you trying to do? Plumb a standpipe? If so, what about a uniseal? Use a holesaw, insert uniseal and push thru pipe. It will be water tight. |
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| Author: | Delgrade [ Aug 30th, '11, 15:11 ] |
| Post subject: | Re: best long term adhesive for PVC to blue barrel plastic? |
i have to agree with arbe, a mechanical seal is best if you have to use a chemical seal then silcone and sikaflex are probably on a par with each other Cheers pete |
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| Author: | antisense [ Aug 30th, '11, 15:33 ] |
| Post subject: | Re: best long term adhesive for PVC to blue barrel plastic? |
Thanks guys, Yeah was plumbing up a male 19mm hose attachment into the bottom of the half-cut blue barrel as the outlet for a loop siphon. I'm surrounding the inlet with a ~60mm (can't remember precise diameter off-hand) PVC standpipe/media guard, so I want to adhere the standpipe to the base as well as make the male outlet watertight. I've done a fair bit of searching, but have found it hard to determine exactly what combination of parts people tend to use for this application, whether it's a uniseal that couples with the standpipe and is then reduced to allow attachment of 19mm hose, of just the hodge-podge ghetto style combination I'm thinking... I've read that silicone adhesion will fail after a year or two and may leech, but perhaps this is just paranoia?? I just don't have the experience to know what to do. Any links to memorable/elaborate solutions/examples of standpipe & loop siphon outlets would be appreciated. Thanks ! |
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| Author: | arbe [ Aug 30th, '11, 15:53 ] |
| Post subject: | Re: best long term adhesive for PVC to blue barrel plastic? |
There is a good manual on making an entire aquaponcs system out of blue barrels. I did a quick search but couldn't find it. Perhaps someone knows where it is. It may give you ideas. Edit: found link. http://backyardaquaponics.com/Travis/Ba ... Manual.PDF |
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| Author: | antisense [ Aug 30th, '11, 17:47 ] |
| Post subject: | Re: best long term adhesive for PVC to blue barrel plastic? |
Thanks Arbe.. I'll check it out |
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