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Chemistry Forums for Students => Organic Chemistry Forum => Organic Chemistry Forum for Graduate Students and Professionals => Topic started by: benjiboo88 on July 22, 2021, 12:45:15 AM

Title: FPM reaction
Post by: benjiboo88 on July 22, 2021, 12:45:15 AM

Could someone inform me as to why Sodium Hydroxide in aqueous form is not compatible with FPM but is compatible with EPDM?

Title: Re: FPM reaction
Post by: Borek on July 22, 2021, 02:53:49 AM

Please read the forum rules (https://www.chemicalforums.com/index.php?topic=65859.0). You have to show your attempts at answering the question/solving the problem to receive help, it is a forum policy.

Title: Re: FPM reaction
Post by: benjiboo88 on August 11, 2021, 01:32:07 AM

And how do I do that?

Title: Re: FPM reaction
Post by: rolnor on August 11, 2021, 03:14:39 AM

If you google these elastomers you can se that FPM containes fluorine and that probably makes it sensitive to
strong hydroxide solution.

Title: Re: FPM reaction
Post by: lifepharma on August 12, 2021, 02:44:15 AM

FPM is the ISO designation, FKM is the ASTM designation. Viton®, Dai-El and Technoflon are brands for FPM polymers. All of the designations stand for one single base material, which is fluoro rubber. This rubber is used in applications that need O-rings that are resistant to high temperatures and chemical attacks.

Title: Re: FPM reaction
Post by: rolnor on August 12, 2021, 04:28:22 AM

But is this fluororubber resistant to hydroxide?