Why the Pump Membranes Are So Expensive

Actually I haven’t given a thought to this questions before, until one day, a potential buyer leaves a comment on my website, asking why the pump membrane costs so dearly, they are simply a sheet of plastic with holes.

I’m intrigued by this comment and ask our tech for an answer. It turns out that the pump membranes are not just a plain sheet of plastic with holes. They are made of plastic material indeed, but not “plain” at all, for starter, the membrane material must be durable enough to withstand constant grinding motion of the pump, and then, it needs to hold the merit of chemical resistance. Now question is clarified, if you have the same questions before, I hope this news will explain clearly why the pump membrane costs so much. They look simple from the outside, but sophisticated inside.

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