FEINGOSIL PA 890 (A+B) putty poly-addition silicone rubber for prosthetics

    FEINGOSIL PA 890 is a putty bi-component RTV-2 silicone rubber vulcanizing at room temperature with a poly-addition process.

    • Easy to use, high details reproduction

    • Excellent dimensional stability in the time, excellent compatibility with phosphate coatings, polyurethane resins and plasters

    • Used in the dental industry for the production of masks for the manufacture of skeletally and

    temporary prosthetics

    Properties

    ASPECT: Paste
    CHEMICAL CHARACTERIZATION: Addition-cured RTV-2
    COLOUR PART A: White
    COLOUR PART B: Light Blue
    ODOUR: Odourless
    SOLUBILITY: Not mixable in water, dispersible in most of solvents
    DENSITY: 1.92 g/cm3
    PENETRATION: 200mm/10

    Curing properties

    MIX RATIO: 100:100
    MIXING TIME: 30 seconds
    WORKING TIME: 105 seconds
    SETTING TIME: 5 minutes

    Properties of the cross linked product

    HARDNESS 8′: 90 Shore A
    HARDNESS 24 h: 92 Shore A
    DETAIL REPRODUCTION: 20 µm
    COMPRESSIVE DEFORMATION: < 1 %
    ELASTIC RECOVERY: > 99.5 %
    SHRINKAGE: < 0.05 %

    * The data given are typical values which are not intended for use in preparing specifications. The information given here is based on our present state of knowledge and is published without obligation on our part. Test has done at 23°C and 50% of RH.

    DATA SHEETS

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