FEINGOSIL 128 bi-component RTV-2 silicone rubber

FEINGOSIL 128 is a pourable bi-component RTV-2 silicone rubber vulcanizing at room temperature with a poly-condensation process.

  • Easy to use, high detail reproduction

  • High mechanical properties (tear strength) and elasticity

  • Excellent performance for reproduction in wax, plaster, resin models

Properties

ASPECT: Viscous fluid
CHEMICAL CHARACTERIZATION: Condensation-cured RTV-2
COLOUR/ODOUR: White/Odourless
SOLUBILITY: Not mixable in water, dispersible in most of solvents
DENSITY: 1.18 g/cm3
VISCOSITY: 35.000 mPa∙s
MIXED VISCOSITY: 25.000 mPa∙s

Curing properties

CATALYST: CAT. E
SPECIFICITY: Standard
MIX RATIO: 100:5
WORKING TIME: 90 minutes
SETTING TIME: 24 hours

CATALYST: CAT. E6
SPECIFICITY: Fast
MIX RATIO: 100:5
WORKING TIME: 30 minutes
SETTING TIME: 6 hours

CATALYST: CAT. PES
SPECIFICITY: Polyester
MIX RATIO: 100:5
WORKING TIME: 90 minutes
SETTING TIME: 24 hours

CATALYST: CAT. THIXO
SPECIFICITY: Thixotropic
MIX RATIO: 100:5
WORKING TIME: 90 minutes
SETTING TIME: 24 hours

Properties of the cross linked product

CATALYST: CAT. E
HARDNESS 24 h:
21 Shore A
HARDNESS 3 days: 26 Shore A
TEAR STRENGTH: 17.0 KN/m
TENSILE STRENGTH: 3.0 MPa
ELONGATION: 400 %
SHRINKAGE: < 0.7 %

CATALYST: CAT. E6
HARDNESS 24 h:
22 Shore A
HARDNESS 3 days: 26 Shore A
TEAR STRENGTH: 17.0 KN/m
TENSILE STRENGTH: 3.0 MPa
ELONGATION: 400 %
SHRINKAGE: < 0.7 %

CATALYST: CAT. PES
HARDNESS 24 h:
21 Shore A
HARDNESS 3 days: 26 Shore A
TEAR STRENGTH: 19.0 KN/m
TENSILE STRENGTH: 3.2 MPa
ELONGATION: 400 %
SHRINKAGE: < 0.7 %

CATALYST: CAT. THIXO
HARDNESS 24 h:
21 Shore A
HARDNESS 3 days: 26 Shore A
TEAR STRENGTH: 17.0 KN/m
TENSILE STRENGTH: 3.0 MPa
ELONGATION: 400 %
SHRINKAGE: < 0.7 %

* 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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