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  1. #1

    Does anyone know what this is?

    I have some tanks that are Orange and say Kaiser 11 Chemicals on them.

    Not sure exactly what they are, maybe R-11?

    Please help

  2. #2
    Join Date
    Dec 2008
    Howell, MI
    I would say r11, it does come in a orange tank. I would measure it against a temperature pressure chart.

  3. #3
    Join Date
    Dec 2001
    Chicago, N/W burbs

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