Headbed material? What is used as lamination material?  

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MTom
 MTom
(@mtom)
Trusted Member

Hi,

does anybody know what is used as lamination on the metal sheet ?

I am looking for a heat resistant (250°) transparent, flexible material for a totally different use. The heatbed just came to my mind as

one side of mine got peeled off, cause I was scratching too much.

thanks

Posted : 27/07/2020 7:30 pm
bobstro
(@bobstro)
Illustrious Member

Do you mean the PEI surface? I believe Prusa uses 3M adhesive. I don't think it's rated to 250C.

My notes and disclaimers on 3D printing and miscellaneous other tech projects
He is intelligent, but not experienced. His pattern indicates two dimensional thinking. -- Spock in Star Trek: The Wrath of Khan...
Posted : 27/07/2020 7:37 pm
MTom
 MTom
(@mtom)
Trusted Member

Yes you are right I had the head temperatures in mind.

Posted : 28/07/2020 9:04 am
karl-herbert
(@karl-herbert)
Illustrious Member

@thomas-m83,

as far as I know, Prusa uses 3M 468MP or similar adhesive film. This is sufficiently heat-resistant for the max. bed temperature of the i3 printer (122 degrees C.). I believe the max. Temp. resistance of the adhesive film and the magnetic adhesive is 150 degrees C.

This post was modified 9 months ago by karl-herbert
Statt zu klagen, dass wir nicht alles haben, was wir wollen, sollten wir lieber dankbar sein, dass wir nicht alles bekommen, was wir verdienen....
Posted : 28/07/2020 9:17 pm
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