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ZA 4 LT ROSSO in different packages

ZA 4 LT ROSSO in different packages

4 Shore A of ROSSO is a bicomponent (base and catalyst) addition RTV silicon rubber that vulcanizes at room temperature. Indicated for the duplication of models with small recesses. Mould-making ,model-making , Silk-screen printing on ceramic and Pad printing for its remarkable reproduction accuracy, high dimensional stability and mechanical strength, the excellent laser incision capability and ink transferring property.

  • Chemical and Physical Properties

    Mixing ratio

    1 : 1

    Viscosity of pre-catalyzation mixture

    1700 - 1800 cP

    Mixing time at 23 °C


    Working time at 23 °C WT

    10’ - 13’

    Setting time at 23 °C ST


    Shore A hardness after 24 hours

    2-3 ShA

    Tensile strenght1.5 ± 0.3 N/mm2
    Elongation at break>500 %
    Tear resistance (Die B)7 – 8 N/mm
    Tear resistance (Die C)4.5 – 5 N/mm

  • Weight
    1 kg/pcs