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Cryogenic processing Cryogenically treated plastics have several desirable attributes. First, plastics themselves will become stronger and more durable. What happens (as we know it) is this: when a plastic part is made, during the solidification stage, some of the molecules get caught in a random pattern. But molecules move at subzero and deep cryogenic temperatures, albeit slowly. Liken it if you will to water freezing or crystallizing as it turns to ice. The molecules do move and form into a tighter denser, realigned pattern. When returned to room temperature, the molecules stay in the new relationship, producing less random and more even spacing which in turn reduces the open areas between the grid matrixes to one another. The resulting product possesses a better wear pattern and an improved bonding of molecules to each another. And this is a one-time process that treats the part all the way through. It is not just a surface treatment. Another effect is the smoothing action on the surface of the material being processed. During the realignment, the molecules at the surface also close ranks, resulting in a structural change in the surface. The peaks and valleys don't disappear but they do flatten out considerably. This causes less friction, and less wear. Panty hose are on the list because they get tougher and becomes less more resistant to runs. My wife has done it for years. It works and it's just good economic fun. Testing on all of the various plastic grades is not yet conclusive. Nylon and teflon work well, but the multitude of other grades need to be tested and proven. Torlon for a torch tip is being tested and shows promise.
Plastics Industry Below is a list of some plastics industry components that we have cryogeniclly treated Bias cutters, Circular bades, Core pins, Cutting dies, Dicers, Ejector pins, Extrusion equipment, Granulator blades, Granulator screens, Injection molds, Milling cutters, Nylon panty hose, Pulverizing knives, Router bits, Shredder knives, Shredder screens, Slitter blades, Teflon, Weed wacker trimmer line, Trimmers. Click here for the complete Parts Price List |
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