FEINGOSIL PA 722 (A+B) poly-addition silicone rubber for dental industry
Feingosil PA 722 (A+B) is a fluid poly-addition silicone rubber with high precision (linear shrinkage < 0.1%) used in laboratory models duplication in the dental industry. It has high fluidity, easy degassing, fast curing, excellent details reproduction, excellent dimensional stability in the time, excellent compatibility with phosphate coatings, polyurethane resins and plasters.
ASPECT: Viscous fluid
CHEMICAL CHARACTERIZATION: Addition-cured RTV-2
COLOUR PART A: White
COLOUR PART B: Violet
SPECIFIC GRAVITY: 1.14 g/cm3
VISCOSITY (A+B): 5.000 mPa∙s
MIX RATIO: 100:100
WORKING TIME: 5 ÷ 10 minutes
SETTING TIME: 30 minutes
Properties of the cross linked product
HARDNESS 24 h: 22 Shore A
TEAR STRENGTH: 4.0 KN/m
TENSILE STRENGTH: 2.0 MPa
ELONGATION: 300 ÷ 400 %
DETAIL REPRODUCTION: 20 µm
SHRINKAGE (after 24 h): < 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.
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