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  • Users: tom1953
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  1. tom1953

    Natural Rubber Technical Information Sheets

    Years ago MRPRA published technical info bulletins titled "Natural Rubber Technical Information Sheet"s. Are these bulletins available anywhere on the web/Internet (preferably for free)? I'm working with NR now, after being away from it for many years, and would welcome having these bulletins as...
  2. tom1953

    Rubber desiccant?

    I know calcium oxide is very commonly used as a desiccant in rubber compounds, but I can't use CaO. Are there other desiccants that can be used? Thanks, tom
  3. tom1953

    NHFR + static conductive?

    I need to make a rubber compound that is flame retardant (V0 or V1 per UL94) using Non-Halogenated Flame Retardants but the compound also needs to be static conductive (~10^7). Since compounding for NHFR requires high levels of ATH or MgOH, which would not be static conductive, and conductive...
  4. tom1953

    ISO Rubber Test book?

    Is there a book (or two) that contains all the ISO rubber test methods? I'm based in the US and have the two ASTM books that give all the test methods (for tensile, tear, abrasion resistance, etc.), but sometimes get specs from customers that reference ISO test methods, so I'd like to get...
  5. tom1953

    Foam/sponge rubber "expansion rate"?

    I have a customer asking me for a foam rubber formulation recommendation, and they want an "expansion rate" of 1.45-1.5. I don't work with sponge, so I'm not familiar with the term. Does this refer to the increase in volume after expansion (by blowing agents)? Or the speed of expansion? If...
  6. tom1953

    Animal glue in rubber?

    What is the function of animal glue as an additive to a (nitrile) rubber compound? Tom Jablonowski, TSE Industries, Inc. www.tse-industries.com

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