Thin acrylic glue

Any suggestions for a thin fluid solvent based acrylic glue to mend some damage on a largish 5cm diameter Perspex pipe for a science demo.
The end got bashed and it would be expensive to replace. The repair must be waterproof and preferably clear and same RI as perspex.
I am tempted to try petrol or pet ether and hope that the end of the crack doesn't run. Basically I need a low viscosity solvent glue that will go into the fine crack by capillary action.
Most acrylic glues feel too thick for this job. Any suggestions?
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Martin Brown
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Chloroform. You can weld perspex with it, so if you run some into the crack it should weld it closed.
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On Friday, 21 February 2014 08:53:09 UTC, Huge wrote:

Yes, chloroform should do it. The viscous perspex glue is often made by dissolving perspex in chloroform. Avoid acetone at all costs - it will make the perspex craze.
John
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On 21/02/2014 09:58, snipped-for-privacy@gmail.com wrote:

+2
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On 21/02/2014 12:06, newshound wrote:

+3. I've used chloroform many times on perspex: let a little run into the joint and hold it closed while it melts the surfaces together and evaporates. For a thicker, more 'gluey' approach, dissolve some perspex shavings in it.
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On Friday, 21 February 2014 20:19:46 UTC, GMM wrote:

We used it here for years but then H&S found it so useful they banned it, or at least put restrictions on it's storage and use, it was just too much hassle to keep.
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Martin Brown wrote:

Dichloromethane (methylene chloride) (the active ingredient in old paint remover.
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Any easy way of buying this - as modern paint removers don't do what they say on the tin...
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Dave Plowman snipped-for-privacy@davenoise.co.uk London SW
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Try a model shop which caters for serious makers of plastic kits; - 'Plasticweld' or something like that.
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Chris Holford

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On Friday, February 21, 2014 8:41:40 AM UTC, Martin Brown wrote:

Use a solvent, not a glue
NT
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On Friday, 21 February 2014 08:41:40 UTC, Martin Brown wrote:

I've used this on clear acrylic preety good stuff but expensive.
http://uk.rs-online.com/web/p/acrylic-adhesives/0144383/?searchTerm 4-3 83&relevancy-datac6F3D3126696E3D4931384E525353746F636B4E756D6265724D504 E266C753D656E266D6D3D6D61746368616C6C26706D3D5E5C647B337D5B5C732D2F255C2E2C 5D5C647B332C347D2426706F3D313426736E3D592673743D52535F53544F434B5F4E554D424 552267573743D3134342D3338332677633D4E4F4E4526

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On 21/02/2014 14:16, whisky-dave wrote:

Predominantly methylene chloride as suggested by another poster. Should be fine (don't inhale!)
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On Friday, February 21, 2014 5:40:50 PM UTC, newshound wrote:

me

44-383&relevancy-datac6F3D3126696E3D4931384E525353746F636B4E756D6265724 D504E266C753D656E266D6D3D6D61746368616C6C26706D3D5E5C647B337D5B5C732D2F255C 2E2C5D5C647B332C347D2426706F3D313426736E3D592673743D52535F53544F434B5F4E554 D424552267573743D3134342D3338332677633D4E4F4E4526

Vastly safer than chloroform. Can one even buy chloroform these days?
NT
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On Friday, February 21, 2014 9:00:28 PM UTC, snipped-for-privacy@care2.com wrote:

some

4-383&relevancy-datac6F3D3126696E3D4931384E525353746F636B4E756D626 5724D504E266C753D656E266D6D3D6D61746368616C6C26706D3D5E5C647B337D5B5C732D2F 255C2E2C5D5C647B332C347D2426706F3D313426736E3D592673743D52535F53544F434B5F4 E554D424552267573743D3134342D3338332677633D4E4F4E4526

Found it on ebay, not Amazon though
http://www.ebay.co.uk/itm/261229276736

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On Saturday, February 22, 2014 1:14:42 AM UTC, Adam Aglionby wrote:

4-383&relevancy-datac6F3D3126696E3D4931384E525353746F636B4E756D626 5724D504E266C753D656E266D6D3D6D61746368616C6C26706D3D5E5C647B337D5B5C732D2F 255C2E2C5D5C647B332C347D2426706F3D313426736E3D592673743D52535F53544F434B5F4 E554D424552267573743D3134342D3338332677633D4E4F4E4526

The seller grossly understates the dangers, perhaps to a similar extent to that handyman that removed the panel keeping kids from a 60' drop. I've no great concerns handling conc acids, but am very wary of chloroform.
NT
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Why?
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Yes, so?
This is dangerous;
http://pipeline.corante.com/archives/things_i_wont_work_with/
Compared to, say, chlorine trifluoride;
http://pipeline.corante.com/archives/2008/02/26/sand_wont_save_you_this_time.php
Chloroform is about as dangerous as peanut butter.
(Perhaps the fact that I have a (bio)chemistry degree biases my feelings in the opposite direction to you?)
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On Sunday, February 23, 2014 6:01:42 PM UTC, Huge wrote:

ent to that handyman that removed the panel keeping kids from a 60' drop. I 've no great concerns handling conc acids, but am very wary of chloroform.

ime.php
the dangers of other substances tell us nothing about chloroform.

Er, no. Peanut butter is pretty safe for kids to handle. Chloroform is a vo latile toxic carcinogenic general anaesthetic. It may not be a problem for folks with the necessary knowledge, but to put it on public sale without ad equate warnings is irresponsible.

I've worked with it occasionally years ago, but no way would I sell it to a ny & every random stranger. Perhaps you would.
NT
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On Sunday, February 23, 2014 10:40:33 PM UTC, snipped-for-privacy@care2.com wrote:

xtent to that handyman that removed the panel keeping kids from a 60' drop. I've no great concerns handling conc acids, but am very wary of chloroform .

_time.php

volatile toxic carcinogenic general anaesthetic. It may not be a problem fo r folks with the necessary knowledge, but to put it on public sale without adequate warnings is irresponsible.

s
any & every random stranger. Perhaps you would.
When was about 14 used to get ether by the half litre from local chemists, best switch cleaner about, used to ask that I get it late in the day becaus e decanting it would stink the shop out.
Chloroform looks bargain priced aginst cost of ether on ebay nowadays...

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