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can anyone help have a problem with locators & rynabond

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Richard Such

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Post Fri Jan 04, 2008 10:16 am

can anyone help have a problem with locators & rynabond

Hi Guys and Girls,

Been browsing around the site for a while now so thought Id join up and say hello...

Ive had a bit of a problem happen to me yesterday - happy new year hey!!
I put some flat cut mirror Renebond letters up, quite big ones, using nylon locators, using Araldite....
Its let go and the letters have started dropping like flies. Ive since done a search on here and a chap said to use an Amari product which has a primer to go with it.
Im told u have to use a bit of wet and dry to roughen up the surface of the material, use the primer then apply the adhesive.
Im just checking this is the right one really as I cant have the letters falling again!!

Thanks very much for your time

Rich
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Gavin MacMillan

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Post Fri Jan 04, 2008 11:23 am

I understand that there is a silicone residue on the locators that stops them sticking in the mould. Basically you need to roughen it enough to remove this before applying you adhesive. They are a nylon and I would test a few different things as not all adhesives work. We use the same 3m glue as we use for trays but I'm not at work so can't tell you which one, sorry!

Gavin
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Joe McNamara

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Post Fri Jan 04, 2008 12:50 pm

I had similar concerns with a similar job recently.

I phoned Penloc and the chap there said the same thing about the studs having a mould release contaminant on 'em.

He suggested the same as Gavin.

Have a piece of sandpaper taped to the bench and rub the studs along it to roughen them up (do the same to areas they are to be stuck to on the backs of the letters).

Penloc also suggested penloc solo for fitting locators to dibond letters.
This is a one part adhesive that won't give dimples or pull marks on the faces of the letters. These are especially bad on mirror chrome or high gloss letters and are caused by the heat from the chemical reaction from 2 part adhesives.(like araldite!)
Give penloc a call - I think it's about 9 quid a tube and it's good stuff.

Cheers
Joe
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Peter Dee

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Post Fri Jan 04, 2008 1:06 pm

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Richard Such

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Post Fri Jan 04, 2008 2:15 pm

Thanks for your replies, I think I may be in trouble again then as I kind of ordered the stuff that has been mentioned on here that I found and none of you have agreed about it . . . uh oh

Ive lifted the two comments on it for you to see

"""Hi Guys,

We tend not to use Di Bond. We opt for the amari plastics option, Reynobond. They also sell an elasticated adhesive which when used with locators doesn't give the dimple.

In the past i have had Di Bond and Gutbond delaminate during the warm summer months and we went through a whole range of adhesives trying to find a solution. Reynobond and the glue Amari supply proved to be very reliable.

ISR703. Adhesion qualities on ACM's rated excellent.

From memory it's around £7 per tube."""

It was a chat between Brad Mulock and Warren Beard, if Warren was to read this could he pass comment???

Cheers
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Warren Beard

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Post Fri Jan 04, 2008 3:57 pm

Hi Richard

Sorry I can't quiet remember the exact conversation about that but I can tell you that I have never used glue myself, all my letters came with the locator's already attached or if it was anything else I used VHB tape instead of glue.

Sorry not much help mate :-?

Oh hold on, this is the glue that was used by the supplier which put the locator's on for me. It was Indasol MA900 Structural adhesive. Sorry that's all I know.

Cheers

Warren
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Dave Bruce

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Post Fri Jan 04, 2008 4:51 pm

Yer, those pesky slimy locators :lol1: I had the same problem, but I had used sandpaper on both surfaces, used a two part adhesive, and yep they lasted a month, then tried Superglue, got another few weeks out of them. Ended up using 3m double sided tape and they have been there for over a year!

Cheers

Dave
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Richard Such

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Post Fri Jan 04, 2008 5:12 pm

This is an absolute nightmare . . . . !!!

Thing is I have about 50 of these letters up, the biggest ones are the ones that have let go, am I to expect the rest to start dropping?? :(

Im also a bit scared of which product to use, as I REALLY dont want the things to fall again!!! :evil:
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Chris-Hooper

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Post Fri Jan 04, 2008 5:58 pm

Hi Rich,

Give Indasol a call on 0870 8505338 they should be able to help you.

chris
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Richard Such

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Post Mon Jan 07, 2008 9:35 am

Alright Chris, didnt realise you were on here!!!
:D
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Dorian Marks

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Post Mon Jan 07, 2008 10:31 am

We have used 3M Scotchweld DP810, no issues yet....
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Chris-Hooper

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Post Mon Jan 07, 2008 10:54 am

Yep Rich been on here a while just don't get any spare time go on here alot.
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Russell Spencer

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Post Mon Jan 07, 2008 5:37 pm

you have to be careful which acrylic adhesive you choose, the heat some of them give off when curing can pass through the letter and dimple the face. I would test first and leave for 3-4 hours to see.

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