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Jim Stafford
Rating: N/A
Votes: 0 (Vote!) | | Posted on Thursday, September 29, 2005 - 09:36 pm: | 
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Does anyone know what type of glue I should use to repair hard rubber developing tanks? |
rick oleson
Rating: N/A
Votes: 0 (Vote!) | | Posted on Friday, September 30, 2005 - 09:47 am: |
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this doesn't sound promising. super glue will probably give the best fix in terms of the pieces fitting well, but it has water-resistance problems... and any crack will be susceptible to leaking light even if it's well glued. |
Johnny Allen
Rating: N/A
Votes: 0 (Vote!) | | Posted on Friday, September 30, 2005 - 02:32 pm: |
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I think that JB Weld would fix it. I've used it to fix about anything and it's water and oil proof...sticks to everything. Don't put on excess, as you'll have to sand or file it off. I fixed an old FR sheet film tank with it. |
rick
Rating: N/A
Votes: 0 (Vote!) | | Posted on Friday, September 30, 2005 - 07:10 pm: |
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yeah, that stuff is pretty good. i fixed a fractured Nikon F chassis casting with it and got years of use before finding a good replacement part. |
Mark Pearce
Rating: N/A
Votes: 0 (Vote!) | | Posted on Saturday, October 01, 2005 - 09:05 am: |
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J-B Weld gets my vote as well. I've even fixed guns with it.
Top |
Will
Rating: N/A
Votes: 0 (Vote!) | | Posted on Saturday, October 01, 2005 - 11:08 am: |
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Hi Jim,
JB Weld is definetly good stuff - however it gets rock hard and is not at all flexible. Depending on how flexible the tank is, you might consider using a urethane sealant. This is very strong stuff but with flexibility, and stiffer and stronger than silicone sealant. It's sold in home centers for general heavy duty caulking and auto supply stores for sealing windshields. G/L.
Will |
David Ritchie
Rating: N/A
Votes: 0 (Vote!) | | Posted on Tuesday, October 04, 2005 - 11:52 am: |
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If this tank is truly hard rubber it will not be flexible and be very brittle. Hard rubber is also known as ebonite made from natural rubber and very high amounts of sulfur for curing. I suggest that any repair should be made to include a preventative step from further cracking by cautiously drilling a very small hole at each end of the crack to prevent it from spreading further. The hole will distribute the stress.Take it easy in drilling the hole so as not to make things worse. |
Jim Stafford
Rating: N/A
Votes: 0 (Vote!) | | Posted on Tuesday, October 04, 2005 - 08:09 pm: |
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Thanks folks, Great info. I am repairing 3 8x10 tanks that were damaged in shipping. Yes, hard rubber is very brittle. I think I'll try the epoxy. Drilling a hole at the end of the crack is an excellent suggestion. Jim |
Glenn Middleton
Rating: N/A
Votes: 0 (Vote!) | | Posted on Wednesday, October 05, 2005 - 02:07 pm: |
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For long cracks or where pieces have become detached, you may find that 'stitching' with stainless steel wire or staples can add extra strength where needed. |
Henry
Rating: N/A
Votes: 0 (Vote!) | | Posted on Thursday, October 06, 2005 - 12:27 pm: |
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Jim, these are darkroom developing trays? Why not buy new ones? Or...ask in the swap meet section for any one with a complete darkroom stored in their attics...like me! :-)
Henry |
Henry
Rating: N/A
Votes: 0 (Vote!) | | Posted on Friday, October 07, 2005 - 08:47 pm: |
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Seriously, if you or anyone else needs darkroom stuff, contact me. Doubt I'll ever build another one. We recently moved and I just boxed everything up. Got lots of good stuff that needs a good home.
Henry |
