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Recent content by HDW

  1. HDW

    wear of (Glass fibre reinforced) PTFE bushings

    Everybode knows, that in friction with stainless steel shafts, PTFE (Teflon) without glass reinforcement is subject to more wear, than glass fibre reinforced teflon bushings. It would be very helpful to get hints in which literature (textbook, standards, publicatios, papers ....) this is...
  2. HDW

    Plastic pipe degradation

    What is the temperature? What is the MAWP? Are there detergents in the water? - I have already seen damages on water wetted thermopastics because of stabilisator wash out caused by detergents. Are there free radicals in the water ? They may eat up the stabilizer. Furthermore, I suggest to...

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