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  • Common Questions on the Polyurethane Molding Process
    is Durometer and how is this measured?. Durometer is a type of hardness. measurement. In the context of wheels,. a Durometer rating allows us to quan-. tify just how hard a polyurethane tread. is. The particular scale used here was. invented by a man named Albert F. Shore and is often referred
  • Medical Device Link .
    , inappropriate formulations, the prevalence of pinholes, and inadequate elasticity. Prior to the early 1990s, most polyurethane formulations featured hardnesses of 75 Shore A and harder for applications requiring superior mechanical properties and biocompatibility. The recent development of low-durometer
  • Medical Device Link .
    casting must be carefully managed owing to the nature of batch processing. A slightly higher part-to-part variation should be expected compared to painting. Except for silicone rubber, all materials used for casting can be painted, even low-durometer polyurethanes. There are no manufacturing
  • Medical Device Link .
    . Resistance to chemicals, oil, and UV light. Newly developed low-durometer, high-elongation formulations of thermoplastic polyurethanes are attractive alternatives to PVC and latex in medical applications.8 Products assembled from polyurethanes have passed toxicological, biological, and physiological
  • New Urethane Technology for Potting & Encapsulation in Electronics
    temperatures (185º C) and provide a low durometer. Unfortunately, they are expensive and do not provide good adhesion. Conventional polyurethanes can be formulated to be flexible or rigid and have a low peak exothermic temperature during cure. But, these conventional polyether and polyester urethanes
  • Medical Device Link .
    is a catheter tube in which an OEM may want a more flexible distal end but a more rigid proximal end, " Mazelin says. "The hardness of the material is measured by the durometer. We can create a higher durometer at the proximal end and a lower durometer at the distal end to make the tube more flexible
  • Medical Device Link .
    plasticizers, FDA-recognized specialty vinyl compounds are nontoxic, odorless, tasteless, and biocompatible. Superkleen compounds can be processed in the same manner as conventional vinyl molding and extrusion materials. They are radiation-stable, and range in durometer from 65 to 90 Shore A. AlphaGary
  • Medical Device Link .
    in durometer. A CE-marked version meets international safety and emissions standards. Introduced to form large-profile catheters for tracheal, urinary, and other applications quickly and accurately, the high-power PIRF III system improves operator efficiency in performing multiple-part tipping

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