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Participant

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Double Adhessive Sheet for Bonding PTFE Sheet

01/16/2010 3:49 AM

Please advise what brand of double coated(adhesive) sheet to be used for bonding the PTFE Sheet(size 1meter x 1meter) onto the stainless metal plate. Is there any supplier of this double adhesive sheet in Dubai?

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#1

Re: Double Adhessive Sheet for Bonding PTFE Sheet

01/16/2010 10:42 AM

If your PTFE sheet has not been chemically etched, no adhesive on the planet will hold it in place. And the SS surface must, at least, be roughened with a wire wheel or brush to promote adhesion. You can't just slap these two materials together and have a lasting bond.

"The Etching of Fluoropolymers In Preparation for Bonding" - Acton ...

After etching 3M makes a number of film adhesives which will work. Go the their web site, or Search GlobalSpec for adhesive suppliers.

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#3
In reply to #1

Re: Double Adhessive Sheet for Bonding PTFE Sheet

01/18/2010 4:55 AM

Thanks for The Acton link, we used some of their FluoroEtch some years back & I've been trying to remember their name.

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#2

Re: Double Adhessive Sheet for Bonding PTFE Sheet

01/17/2010 1:36 AM

I used to use a double sided adhesive paper to mount photos and i was able to buy that in large sheets. Its' brand was JAC. Before use follow all of Lynlynchs' directions.

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Anonymous Poster
#4

Re: Double Adhessive Sheet for Bonding PTFE Sheet

01/19/2010 4:12 PM

You can use double side self adhesive tape coated with Water Based Pressure Sensitive Adhesives which is compatible with PTFE on one side, and steel on the other side.

We are manufacturing such tapes in India and can supply you the exact specifications of your requirement. The other equivalant shall be 3M tapes.

However, we are offering a much better bond strength and our products are RoHS Compliant also (same as 3M). RoHS (Restriction of Hazardous Substances) Compliance requires that 6 dangerous chemical groups are below the specified level and is an American standard.

We shall provide SGS test certificate for the same.

Kindly get in touch with us at below address :

SPA Associates

Office : 3282, Alok Vihar - I, Sector - 50, Noida, U.P.- 201303, India.

Factory : A- 40, 2nd Floor, Sector - 7, Noida, U.P. - 201301, India.

Phone (Mobile) : +91-9810145598

+91-9818247798

Land : +91-120-4347300

email : spa.associates@hotmail.com

Warm regards,

For SPA Associates

Ashok Shukla

Head - Marketing

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Power-User

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#5

Re: Double Adhesives Sheet for Bonding PTFE Sheet

01/20/2010 9:10 AM

Can you say what kind of application this is. Will there be lateral motion of a large mass on it or is it for a cookie sheet? Some PTFE comes in a porous version which sticks well with contact cement.

Perhaps you will need to contain it with a lip on the stainless steel.

What ever you do, cover it with a film used in aerospace to apply a vacuum and remove all of the air possible for maximum adhesion.

How thick is it? Thick enough to allow small sheet metal screws to be attached from the SS side?

Good Luck!

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#6
In reply to #5

Re: Double Adhesives Sheet for Bonding PTFE Sheet

01/20/2010 11:42 PM

Thanks Bill,

The teflon sheet which is 3mm thick will be used as loading plate of Palletising machine for stacking of PP bagged product. You're right we can fix it with a taperred head screws on the SS plate after putting the contact cement.

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