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heat resistant epoxy

08/29/2009 7:20 PM

I'm looking for a heat resistant epoxy

In the past I've used a two part epoxy like JB weld but I would like to have a material that might be semi-solid when put in place and be activated by heat , maybe using a heat gun. .

Would it be possible to have such a material be heat activated and allowed to cure then be able to withstand as much as 300 degrees .

I envisioned a two part epoxy with a barrier in between that would break down with heat and allow mixing and reaction

I have considered the normal materials like fiberglass but the key is a ready material that would not be wet or need of mixing prior to application.

Or a material that would stay semi solid , like bubble gum , until heat activation.

I thought the CR4 crowd might have seen such a product or have a good idea where to inquire .

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#1

Re: heat resistant epoxy

08/29/2009 7:33 PM
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#2
In reply to #1

Re: heat resistant epoxy

08/29/2009 7:47 PM

Thanks I'll read the info and see if it will work thanks for your help

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#13
In reply to #1

Re: heat resistant epoxy

08/31/2009 11:53 AM

Devcon is the best for High Temp epoxies. They used to make several epoxies in a polyimid mesh fabric that I used in HSAs, Mil grade (125 oC) and Class "S" (150 oC). Given those operational temperatures and lateral forces in excess of 1,000 "G"s should work.

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#3

Re: heat resistant epoxy

08/29/2009 7:55 PM

It makes a big difference if it's 300F, or 300C. You have a chance at 300F. None at 300C.

You also say nothing about what the stuff is supposed to do. It's impossible to give advice with so little information to go on.

"a barrier in between that would break down with heat and allow mixing and reaction", with a semisolid, this will be tough.

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#4
In reply to #3

Re: heat resistant epoxy

08/29/2009 9:56 PM

That would be 300 f , I think the product mentioned will actually do the job I needed to do. The idea I had of using a barrier was to separate a two part epoxy apparently there is a one part that is heat activated .I'll look into the product made by Devcon sc 2002 unless someone has a better solution .

Thanks for your interest

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#5
In reply to #4

Re: heat resistant epoxy

08/29/2009 10:06 PM

Do make note of the "NS" designation/product (as opposed to the 'non-NS' SC 2002) - it stands for Non-Slump

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#6
In reply to #5

Re: heat resistant epoxy

08/29/2009 10:25 PM

Thanks for that clarification I saw there were 2 varieties I'll contact Devcons tech department to confirm which type would be best I think I would be better off using the sc 2002 ns for my application .

I would have been busy finding that product thanks again for the help

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#7

Re: heat resistant epoxy

08/31/2009 12:40 AM

Hello traditional,

There are quite a lot of sites dedicated to heat cured Epoxy. I am posting a few and the search field for you to check out.

It really depends on what and how you want to cure the pieces you mention. If they are small then is an 'oven' a possible solution? Or will you need to find another heat source?

Have a look at these and get back to me please?

Directly below is the search field address:

http://www.google.com/search?client=safari&rls=en-gb&q=heat+cured+epoxy&ie=UTF-8&oe=UTF-8

Search Results

Scholarly articles for heat cured epoxy

Curing of epoxy matrix composites - Loos - Cited by 240

The choice of resins for electron immunocytochemistry - Causton - Cited by 61

Morphology and toughness/stiffness balance of ... - Zilg - Cited by 179

High-Strength Single-Part Heat-Cure Epoxy Adhesives

Permabond High-Strength, Single-Part, Heat-Cure Epoxy Adhesives.

Permabond single-part epoxy adhesives are suitable for bonding a wide variety of

materials . ...

www.permabond.com/en/en-epoxy-single.htm

- Cached - Similar -

Loctite - Adhesive - Epoxy Online Catalog

21425, Epoxy, LOCTITE Fixmaster Fast Cure Epoxy Mixer Cups 4gr ... fast setting epoxy; it has high strength and either a room temperature or heat cure. ...

www.ellsworth.com/display/productlisting.html?...

- Cached - Similar -

Epoxies, Etc... - Epoxy Curing Agents

Selecting the correct curing agent for a two component epoxy system is just as ... 100°C, -65 to 205, Heat curing high heat resistant curative for small to ...

www.epoxies.com/curing.htm

- Cached - Similar -

[PDF] Single Part, Heat-Cure Epoxy

File Format: PDF/Adobe Acrobat - View

Single Part, Heat-Cure Epoxy. Provisional Technical Information Sheet. Permabond ES569 is a single-part heat cured epoxy adhesive with excellent adhesion to ...

www.permabondllc.com/TDS/ES569_TDS_UK.pdf

- Similar -

Epoxy - Wikipedia, the free encyclopedia

22 Jul 2009 ... These non-hazardous, two-part epoxy coatings are developed for heavy duty service on metal substrates and use less energy than heat-cured ...

Chemistry - History - Applications - Industry

en.wikipedia.org/wiki/Epoxy[ p] - Cached - Similar -

One-part, heat-cured epoxy adhesive - Patent EP1174481

A novel single component heat-activated structural adhesive system cures at 93- 149 DEG C in 30-60 seconds and achieves 70-90% of final cure, ...

www.freepatentsonline.com/EP1174481.html

- Similar -

by N Morgan - 2002 - Cited by 1 - Related articles - All 3 versions

HEAT-CURED EPOXY (Photonics Spectra | Mar 2006 | Bright Ideas ...

heat-cured epoxy The SC 2002 NS one-part epoxy adhesive allows unlimited working time at room temperature, according to its manufacturer, Devcon. ...

www.photonics.com/Content/ReadArticle.aspx?ArticleID...

- Cached - Similar -

Heat-cured epoxy.(New Products) | Article from Medical Design ...

Heat-cured epoxy.(New Products) ... find Medical Design Technology articles. SC 2002 NS one-part epoxy adhesive bonds to a remarkable variety of substrates, ...

www.highbeam.com/doc/1G1-141754425.html

- Cached - Similar -

Handbook of aluminum bonding technology and data - Google Books Result

by J. Dean Minford - 1993 - Technology & Engineering - 790 pages

Even when the 6061-T6 surfaces were deoxidized, the actual loss of strength by the heat-cured epoxy joints was larger in magnitude; however, ...

books.google.com/books?isbn=0824788176...

-

Single Part Heat Cured Epoxy Adhesives

Single part epoxy resin adhesives are a type of adhesive or glue based on bisphenol epichlorydrin epoxy chemistry. They are solvent-free, ...

www.glueonline.co.uk/.../Single_Part_Epoxy_Adhesives.html

- Cached - Similar -

I hope this leads you to what you are looking for.

Take care.

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#14
In reply to #7

Re: heat resistant epoxy

08/31/2009 5:49 PM

Wow I thought I was lucky to find any product to meet my needs thanks for the links I think with all the help I will be able to zero in on exactly the perfect solution .

Thanks for all the interest

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#15
In reply to #14

Re: heat resistant epoxy

08/31/2009 5:56 PM

By the way I'm working on an "invention"

So that is my reason for being vague

Many products mentioned will be adequate for testing my idea and if it works as planned

I will be indebted to the CR4 community for helping me . As I get results I will keep you posted Thanks Again

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#16
In reply to #15

Re: heat resistant epoxy

09/01/2009 2:17 AM

Hello traditional,

I fully understand why you were so 'vague' if you are working on an Invention, you need to be?

But, keep in touch as and when it is possible. I would be interested in the possible invention of yours!

Take care and good luck

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#8

Re: heat resistant epoxy

08/31/2009 1:05 AM

http://www.cotronics.com/vo/cotr/ea_singlecomponent.htm

http://www.engineeringtalk.com/news/mrb/mrb140.html

Aremco-Bond[TM] 570 is a single component, black pigmented, high temperature contact adhesive that exhibits excellent flexibility and resistance to thermal shock, chemical corrosion and water immersion. After a brief cure, adhesive withstands temperatures to 600[degrees]F and provides a tensile shear strength of 2100 PSI. Its coefficient of thermal expansion is 48 ppm/[degrees]F and viscosity is 35,000 cps at room temperature. Aremco Products Inc.

"High temperature adhesive: single component.(New Products)." Chemical Equipment. 2004. Retrieved August 31, 2009 from accessmylibrary: http://www.accessmylibrary.com/article-1G1-126118672/high-temperature-adhesive-single.html

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#9

Re: heat resistant epoxy

08/31/2009 2:00 AM

Hi,

the best in high tempI ever used was CIBA AT1

It is a solid 1 component powder at room temperature up to 80°C,

is a very viscous liquid beginning at 90°C,

curing (within hours) will begin at 150°C and within minutes above 200°C,

it can be applied by flame spray (isolation of transformer steel sheet),

we applied by dissolving in a mixture of acetone and NMP (N-methyl-pyrrolidone),

then drying in oven at 90°C, then storing for unlimited time is allowed,

then curing with heat,

our coatings were very thin (3µm) so curing did not take place at recommended temperatures but required 30°C more than usual).

RHABE

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#10

Re: heat resistant epoxy

08/31/2009 2:27 AM

If heat curing was not an issue would room temperature UV light curing adhesive material be useful?

It is like the stuff a dentist might use for a filling or bonding agent.

Put it on, shine the bright purple light on it for a moment and done.

It is used in aerospace avionics manufacturing.

http://www.enewsbuilder.net/HenkelTechTalk/e_article000566841.cfm?x=b11,0,w

You can google other UV activated adhesives to compare.

Jon

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#11

Re: heat resistant epoxy

08/31/2009 8:25 AM

Not knowing what you require this for makes this a hard guess.

e.g. Dynagrip copper silicon gasket maker, cures with heat, resistant to cracking, shrinking, and migration..........used up to 3700C..........there are numerous other types in this range...........or.........consider something in the belzona range, e.g. "Belzona 1391 this is a blend of inorganic erosion/corrosion resistant reinforcing agents with a radically new, densely crosslinked heat resistant polymer"....taken from Belzona catalogue........it provides protection against erosion/corrosion in high temperature environments. This is just one of the products manufactured under this name...........and it is amazing what some of these products can do.

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#12

Re: heat resistant epoxy

08/31/2009 9:34 AM

Hello traditional,

What you you actually want to use this Heat Cured Epoxy for?

I sent some suggestions as other have, but not knowing what you want to do is a bit of a bind. Any further help would be kindly received

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#18
In reply to #12

Re: heat resistant epoxy

09/01/2009 6:46 PM

At least baby you asked what it was for, everyone has a good suggestion but what is it used on vague or not vague lets get serious now I agree Devon is probably his best product to go with and loctite second with my experince. But is this going to be used on PVC, Concrete, Iron, Ceramic the list goes on. You can be vague but tell us what you are welding what to what?

Thank-You

DCJ

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#19
In reply to #18

Re: heat resistant epoxy

09/02/2009 6:39 PM

The application is metal , the material interaction is oil , durability is an issue ,

may experience vibration ,minimal pressures app. 50 psi max.

initially flexibility is needed , Tight quarters , possible rust or less than perfectly clean

surfaces , variable temperatures freezing may occur extremes up to app. 300 F,

I am sorry to be vague but I hope you all understand .

I am utilizing all the information given to research the best product for my application I didn't realise there were many 1 part heat activated epoxy products ( I thought I would be lucky if there was any).

Again thanks for everyones input

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#17

Re: heat resistant epoxy

09/01/2009 3:07 PM

My suggestion would be to investigate ASPEN Aero-gels. It is the first thing that popped into my mind.

Let me know how you make out as I have a friend with a company that dose Industrial Coatings.

jonny_subsection@live.com

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