It depends on the composition of the seals. Although Haynes Lubri-Film Plus can't be used on natural rubber, it can be used to seal and lube metal, synthetic rubber and plastic parts. These days, Nitrile, Neoprene, Ethylene Propylene, Silicone, Fluorocarbon, and PTFE (IE Teflon) are used for most O-rings and seals in preference to natural rubber. I've used it on

Lubri Film Plus is a petroleum based lube and shouldn't be used on rubber parts

Use it before on piston seals for the same reason. Although it worked, I wouldn't necessarily use it again for that application. Dow 111 and Loxeal #4 are undoubtedly superior. However, for your Flair58 plunger seal, I believe it'll do just fine

I merged your 4 other threads on your repair efforts into this one. It's easier to help you if your questions are in one place

I usually use Molykote 111 but only have Lubri-Film Plus at hand at the moment. It's specified maximum temperate is 210F/98C. Will it work to lubricate the plunger gasket of a Flair espresso machine?

Hello forum, So i've been posting here the last couple of days, because i wanted to repair og service my Izzo Alex Duetto 3, which i love alot. Now it started with steam coming out of safety valve. So i bought a new and switched it. At the same time i changed the fill probe, cause it was

In fairness, unless the brew boiler is drained, then nothing should have happened really, so the no water connection "might" be a coincidence. the steam boiler elements won't even come on if empty (unless someone has modded someting)

I had an interesting experience. I was using a spirograph WDT device, but not on a perfectly level surface. Well, the grounds were not level to the basket. Even though I tamped with a leveling tamper, the shots were still noticeably one-sided. Moral of the story: grounds distribution >> tamping

Same The beautiful tamper I bought on Etsy sits on my accessories shelf just for decoration. The PV has a small diameter

That's possible. Old roasts tend to have less crema than fresh roast. The expiration date shown may not be faithfully chosen. Any roast older than 1 - 1.5 month is... "over the hill", "past its prime". That's why I do my own roasting so that I know what the real expiration