FEINGOSIL PA 5438T (A+B) – RTV-2 silicone rubber

FEINGOSIL PA 5438T is a pourable bi-component RTV-2 silicone rubber vulcanizing at room temperature with a poly-addition process.

  • Easy to use, high details reproduction

  • Excellent mechanical properties, low viscosity and high hardness

  • Used in the production of rigid moulds in the production of wax models, even by pressure injection, to realize jewellery

Properties

ASPECT: Viscous fluid
CHEMICAL CHARACTERIZATION: Addition-cured RTV-2
COLOUR PART A: Translucent
COLOUR PART B: Translucent
ODOUR: Odourless
SOLUBILITY: Not mixable in water, dispersible in most of solvents
DENSITY: 1.08 g/cm3
VISCOSITY (A+B): 10.000 mPa∙s

Curing properties

MIX RATIO: 100:100
WORKING TIME: 25 minutes
SETTING TIME: 3 hours

Properties of the cross linked product

HARDNESS 24 h: 38 Shore A
TEAR STRENGTH: 13.0 KN/m
TENSILE STRENGTH: 4.5 MPa
ELONGATION: 250 %
SHRINKAGE (after 5 days): < 0.1 %

* 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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