PVDF Super Air Knives Resist Chemical Exposure

When my sons were little boys, I would find myself looking forward to their teenage years, so they’d be more mature and I’d be able to relate to them better. Those of you with older kids may begin laughing now. My thinking was, I distinctly remember being thirteen. What I failed to recall was just exactly how peculiar I appeared to my parents (and they to me), and now, I’ve got the view from the other side.

In the interest of time and good taste, I’ll limit this discussion to the subject of food. I always liked (and still do like) ketchup almost as much as the french fries. Same for the “fixin’s” on a sandwich. In fact, as an adult, I’ve discovered a universal truth, that bacon or peanut butter can be used to improve the quality of ANY sandwich.

My sons, however, don’t feel this way at all. My fifteen year old won’t put anything but cheese (American cheese, at that) on a hamburger, and his thirteen year old brother won’t even do that. Curiously, the older one prefers cheese pizza, and the younger one will eat anything that used to be an animal on his. And neither one will put any sort of condiment or sauce on ANYTHING they eat. If it’s on their plate, it better not “have stuff on it.”

I was reminded of that phrase this morning during a conversation with a caller about an Air Knife application. It will be operated in the fairly aggressive chemical environment of a plating line. We discussed the chemical compatibilities of our different material offerings, and found that the Model 110006-PVDF 6” Super Air Knife was the one he was looking for. The body & cap are PVDF (Polyvinylidene Fluoride,) the shim is PTFE, and the fasteners are Hastelloy© C-276 alloy. It’s impervious to a long list of acids, caustics, and other harsh chemicals that even the higher grade stainless steels don’t stand a chance with.

PVDF Super Air Knives provide superior corrosion resistance.
PVDF Super Air Knives provide superior corrosion resistance.

Our PVDF Super Air Knives provide the same highly efficient and quiet performance as their aluminum, 303SS, and 316SS counterparts – plus you can get a lot more “stuff” on them without damaging them.

Regardless of where you need to install it, or what kind of stuff you might get on it, EXAIR has a Super Air Knife that will hold up in your application. Give us a call, and we’ll find the right one for you.

Russ Bowman
Application Engineer
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