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  • Users: BCAREY
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  1. BCAREY

    panting rubber

    There was a product of Hypalon based latex paints available at one time which were very good because they had the properties to stretch with the rubber and to hold color. Those are the two properties which usually are a problem with painting rubber
  2. BCAREY

    Viton seals: What are the differences in colour?

    Green is the color of choice in Europe for color coding viton, whereas brown is the color in the US. Black is the normal color to be used and in fact offers the optimum performance. The color coding is used when the equipment manufacturer is concerned that the user may elect to change seals on...
  3. BCAREY

    Viton FR 44/60 equivalent

    Green is a European color code for fluorocarbon rubber, whereas we use brown in the US. If it is a backup ring then it almost certainly is a 90A hardness. The 83248 spec is obsolete now and AMS7279 would probably be the governing spec. In recent years the encouragement has been to use ASTMD 2000...
  4. BCAREY

    Buna N vs. NBR

    BUNA-N, NITRILE, NBR, HYCAR, PARACRIL are all the same material. a co polymer of Butadiene ( which provides the resilience properties of rubber) and acrylonitrile ( which provides the oil resistance property). The ratios may vary, but if your ratios are the same then it is the same compound and...

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