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Disc Diffuser
Disc Diffuser
Disc diffusers with compression molded EPDM membranes are made with less than 10% extractable oils. Extractable oil content is important because it is a determining factor in membrane shrinkage. The less extractable oil used to make the membranes, the less they will shrink. Disc membranes have Die-T test results as per ASTM D624-91 of over 110-pounds/linear inch. Die-T measures tear propagation, which is the amount, required continuing a tear. Since perforate the diffusers with knives, Die-T is an effective means of determining the force required to tear one of the slits. The impressive Die-T test results allow using more perforations in the membranes than any of the competitors. A higher density of perforations results in a more efficient diffuser. EPDM, unlike Silicone or Polyurethane, can be compounded in hundreds of different ways, with different fillers, curvatures and percentage concentration of base polymer. The plastic disc components are made of environmental friendly polypropylene, and are design