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03/02/2006, 01:17 PM | #226 |
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I noticed it mentioned Tensol 70 in that PDF on page 28-30. Can you get that one, or only #40?
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03/02/2006, 04:00 PM | #227 |
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Whoops, typo!
Yes it's Tensol 70 I can get. It comes with 1 big bottle and 2nd smaller one which is the hardener, if I'ved read the sites correctly. If thats not right though, someone on the forum kindly offered to ship some Weld-On over to me. |
03/02/2006, 04:03 PM | #228 |
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If this stuff is watery like Weld-On, you'll need needle tip applicator botttles. Get two at least. If it clogs, which it can, hold a match under the needle briefly to unclog it. You can only do this about 5 times before the bottle must be replaced.
Shipping solvents is expensive, because it is explosive and carries and extra price tag. At one point, I thought I could ship small amounts of Weld-on to other hobbyists, but that idea fizzled out when I learned about the extra fee. It was like $20 extra per box, and the product cost less than that! |
03/02/2006, 04:08 PM | #229 |
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hehe, yep I'ved read that on your site, although the bottles i found last night suggested that I could just replace the hypodermic needle they take.
so does this stuff sound like the right stuff to you....before I go ordering!? oh and what guage needle is going to be best? Last edited by Paul_MTS; 03/02/2006 at 04:20 PM. |
03/02/2006, 06:22 PM | #230 |
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I really can't say for sure, so I wouldn't buy the largest amount of this product your first time. Can you not contact some local plastics dealers in your area to ask what they use, even if they don't sell it to the local population? I don't know what size gauge needle to recommend, but it would be very fine. The applicator bottle's hole is so small, I don't have a single thing that will fit the orifice if it clogs, not even a single strand of wire from a group of wires used in hooking up brake lights to a trailer. It is very tiny.
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03/02/2006, 06:26 PM | #231 |
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Yer, sorry should of realised.
It seems it only comes in 2 sizes....large or extra large! So it's going to cost me £20, but should do the job hopefully, otherwise I can wack it on ebay! Just bought a mixed pack of hypodermic needles so should have the right size in there somewhere! Thanks. |
03/02/2006, 09:22 PM | #232 |
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Paul,
I believe the T70 is going to be a 2-part polymeryzable cement similar to Weld-On 40. It is nothing like Weld-On 4 in any way so solvent bonding techniques will not apply. HTH? James |
03/03/2006, 12:01 PM | #233 |
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Ah!
Reading throught that PDF manual i linked to, they mention Tensol 12 which I'ved also found and this is a single part cement. Any ideas if this would be more suitable? |
03/03/2006, 05:50 PM | #234 |
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Hi Paul,
They mention that it's okay for filling small gaps so I'm not certain. Is the T12 a water thin cement? If so then it's probably similar to the Weld-On 4. If it thick & syrupy, then it's probably similar to Weld-On 16. Does it mention ingredients? What you are looking for is methylene chloride and/or ethylene dichloride with either acetic acid or trichloroethylene (as a buffer) and *very little* monomer (makes it syrupy). As solvents go, nothing else even comes close to working as well. HTH, James |
03/03/2006, 06:14 PM | #235 |
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I'ved just e-mailed the company I'll be buying from if it's the right stuff asking them those questions so hopefully I'll have a reply in the next few days.
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03/04/2006, 11:34 AM | #236 | |
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here's the reply I got from them...
Quote:
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03/30/2006, 04:28 PM | #237 |
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Zephrant-----PM SENT
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06/05/2006, 10:00 AM | #238 |
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how do you cut such a thin wood wedge?
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David - Current Tank Info: 125 long 50 gallon sump 3x icecap 250s. |
06/05/2006, 10:42 AM | #239 |
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Just buy a pack of wood shims at the hardware store. No need to cut your own wedges.
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06/05/2006, 10:44 AM | #240 |
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I like the plastic? shims. Run the edge on a sander.
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07/21/2006, 10:54 PM | #241 |
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Hey, Ive tried looking around local stores for weld on. I can't find it ANYWHERE? Does anybody have any suggestions besides ebay ? Should i start calling hobby shops ?!
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07/21/2006, 11:37 PM | #242 |
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artnsx,
To Reef Central tapplastics.com sells it. Did you look up "plastics" in the Yellow Pages to find someone that sells acrylic? Typically if they do, they sell Weld-On as well. |
07/22/2006, 09:03 AM | #243 | |
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Quote:
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07/22/2006, 09:37 AM | #244 |
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Zeph or Acrylics,
When attaching the bottom of a sump, is it easier to put the bottom on a flat surface and then put the 4 side assembly on top of that and use the pins? Or should I put the 4 side assembly on a flat surface and put the bottom piece on top of that then insert my pins? Thanks for any input. |
07/22/2006, 09:40 AM | #245 |
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Bottom on the bottom, sides on top of that, pins in the center. It helps if the bottom is a bit larger than the foot print of the sides to give a runner for the weldon as it wicks in.
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08/17/2006, 05:10 PM | #246 |
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what type of cement would you guys recommend, to put together a 96"L x 40"W x 36"H and also,what thickness should the acrylic be?
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08/17/2006, 08:12 PM | #247 |
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I would imagine the acrylic needs to be 1" thick, and you should use Weld-On #40, the two part mixture. That is the one recommended for display tanks.
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08/21/2006, 11:10 PM | #248 |
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Weldon #40 is tough to use- I'd suggest that it is beyond the average person doing their first tank.
It's entirely possible to get a perfect looking joint, that has almost no strength at all to it due to a poor "bite" in to the acrylic. I'd suggest #4 slowed down with some #5, using the above method. More room for error, and if you mess it up, you can tell. Zeph |
08/22/2006, 12:18 AM | #249 |
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Thanks Zeph. Where've you been? I never see your posts anymore.
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08/28/2006, 10:40 PM | #250 |
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Busier than I want to be. My 2.5 year old frag is more fun that I ever thought, so I spend as much time with him as I can.
Other than that, working on new designs and new projects, all on top of my regular job. I check all the old threads regularly, and keep up with some of the heated ones, but I just don't have much time to contribute right now. By the time I get to a thread to post relevant information, some-one else has done it already. Zeph |
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