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Ebalta Kunststoff Gmbh Company Logo

Ebalta Kunststoff Gmbh GM 951 1Comp. A+B

The product is a very soft elastic polyurea casting compound. ebalta GM 951-1 is suitable as a flexible casting system in the field of mold- and tooling for parts which require low shore hardness and high tear propagation resistance due to deep under cuts. Mold temperatures of about 60 °C lead and/or curing at 60°C, to faster curing and therefore short demoulding time. Demoulding can be reduced to 30-45 min. To achieve final properties as fast as possible, postcuring can be made at 60°C for 6-8 hrs. and after curing at room temperature. For complete curing of the parts, any non-postcured molds should only be employed after 2-3 days. Any non-observance may lead to shorter pot life. The potlife of GM 915-1 can be shortened by mixing hardener GM 951-1 with hardener GM 900-1 (see mixing table) For individuell formulation of the shore hardness, GM 900-1 can be mixed with GM 951-1 (see mixing table). With the A-component GM 951-1 Thix a spreadable surface resin can be obtained.

Polymer Name: Polyurea

Processing Methods: Casting, Injection Molding

Features: Improved Tear Resistance

End Uses: Mold Making

    Knowde Enhanced TDS

    Identification & Functionality

    Chemical Family

    Polyureas

    Polymer Name

    Polyurea

    Basis
    Soft casting resin
    Technologies

    Elastomers

    Product Families

    Elastomers — Thermoset Elastomers

    Other Thermoset Elastomers

    Features & Benefits

    Materials Features

    Improved Tear Resistance

    Properties

    shore A hardness 45
    well castable
    good tear propagation resistance
    RoHS conform

    Applications & Uses

    Markets

    Building & Construction,

    Industrial

    Applications

    Building & Construction — Building Materials

    Interior Fixtures

    Industrial — Chemical & Industrial Manufacturing

    Tooling & Moldmaking

    Plastics & Elastomers End Uses

    Mold Making

    Plastics & Elastomers Processing Methods

    Casting,

    Injection Molding

    Applications

    Casting mold for gypsum
    Casting mold for plastic
    Casting mold for wax
    Casting mold for ceramic materials
    Casting mold for PU-foam
    Casting mold for cement
    Gaskets
    Sealing profiles in core boxes
    fixtures

    Processing Instructions
    • Material- and working- temperature: between 20 - 25 °C. Heat up molds to min. 20°C before casting Close containers after use.
    • Seal porous mold surfaces first (ebalta mold sealer).
    • For optimum mold releasing we recommend a special release agent (like T1-1), which can be applied easily with a brush or be sprayed. Releasing of the mold 2-3 times, evaporate for about 20 min. after each releasing.

    Properties

    Color

    Black

    Typical Properties
    ValueUnitsTest Method / Conditions
    Tensile strength2.0 ± 0.2MPaISO 37
    Viscosity (25°C)4300 ± 200mPa.s—
    Elongation at break / test piece type 2980 ± 100%ISO 37
    Density (20°C)1,15 ± 0,03g/cm3—
    Shore hardness45 ± 3Shore ADIN ISO 7619-1
    Pot Life (200g/20°C)17 - 27minutes—
    Tear resistance arch shaped test piece with incision 1 mm5.5 ± 0.5kN/mDIN ISO 34-1
    Curing time at RT7-10Hrs—

    Regulatory & Compliance

    Certifications & Compliance

    RoHS Compliant

    Packaging & Availability

    Packages
     Packing size   B-Pack   GM 951-1 / Comp. A+B   resin 10 x 0,800 kg + hardener 10 x 0,080 kg = 8,800 kg 

     

    Storage & Handling

    Storing

    Storage at room temperature 18-25 °C.
    Opened containers should be closed immediately after use and should be used up as soon as possible.