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  1. buut

    Material selection question

    try FEP film,regards, Ernst
  2. buut

    "Inert" Material for Covers for Antique Books

    You may use FEP film which is clear ( like glass ) and clean ( like PTFE ). There are several types in the market. If you need more info please mail, Ernst
  3. buut

    Handling Stress and Plastics

    In the chemical- and petrochemical industry they don't use PC because of the stess cracking if in cantact with certain chemicals. In most cases they use glass or PCTFE ( Polychloortrifluorethylene ) and this material is stress relieved and specially designed for sight-glasses. If you want more...
  4. buut

    Carbon Fiber Filled Polymer vs Carbon Filled Polymer

    I have experience with PTFE compound with both these fillers. What results do you want ? Best regards, Ernst.Buter@home.nl
  5. buut

    I seek a more durable plastic material

    ptfe filled with polyimide or ekonol do have Food approvals and they can do the job better than virgin PTFE. Another option is to use a special material like Zedex 100 from Wolf in germany. See www.plasticbearings.com best regards, Ernst ernst.Buter@home.nl
  6. buut

    Medical tray material selection - comments please

    Kiran, the 300 kgs weight is too much for the most plastic materials because of the creep so I think a metal tray coated with PTFE, FEP or PFA could do the job. If you want to see a tray like this please mail me, Ernst.Buter@home.nl
  7. buut

    what is a glass fibre reinforced (GFK)

    GFK stands for Glass reinforced plastic ( in the German language )and most of the time people use this abbreviation for epoxy or polyester with glassfibres ( or glasscloth ) regards, Ernst
  8. buut

    PTFE as anti dripping for thermoplastics.

    You can use PTFE powder as a antidripping filler just because PTFE is one of the most porous plastics. The best powders are for this reason the types with the highest porosity and a big diameter. Ask Du Pont ore Dyneon for there specifications. Best regards, Ernst
  9. buut

    OTHER LINNER BETTER THAN UHMWPE

    There are a few options to get a material with the specifications you want, low friction of PTFE and the wear-resistance of UHMPE. Check the properties of ZEDEX 530 from Wolf Kunststoff-Gleitlager in Germany. They do have documentation in English as well further more you can look at the PTFE...
  10. buut

    conductive PFA

    one of the companies I know is UPM in Raamsdonksveer in the netherlands ( Mr. Ed van Gilst ); this cie is a compounder for PTFE / PFA etc. best regartds, Ernst
  11. buut

    PTFE Vs. TFE

    Chemgrip is a tradename from the old Norton company for etching PTFE. In the brochure they speak about TFE but they mean PTFE. By the way, a better way to bond PTFE with other materials is etching with Sodium in ammonia. Best regards,Ernst
  12. buut

    What Type of Plastic for bearing?

    The best material for this solution you will find on the internet under www.plasticbearings.com from Wolf in germany. Some of these materials are the best I know for lifetime / wearresistance Best regards, Ernst

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