FEINGOSIL PA 890 (A+B) putty poly-addition silicone rubber for prosthetics
Feingosil PA 890 (A+B) is a putty poly-addition silicone rubber which cure at room temperature with a low shrinkage (linear shrinkage about 0.1%). The high final hardness gives excellent dimensional stability, details reproduction, resistance to deformation. It’s used for the production of masks for the manufacture of skeletally and temporary prosthetics.
CHEMICAL CHARACTERIZATION: Addition-cured RTV-2
COLOUR PART A: White
COLOUR PART B: Light Blue
SPECIFIC GRAVITY: 1.95 g/cm3
MIX RATIO: 100:100
WORKING TIME: 2 minutes
SETTING TIME: 5 minutes
Properties of the cross linked product
HARDNESS 8′: 87 Shore A
HARDNESS 24 h: 90 Shore A
DETAIL REPRODUCTION: 20 µm
COMPRESSIVE DEFORMATION: < 1 %
ELASTIC RECOVERY: > 99 %
SHRINKAGE: < 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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