FEINGOSIL PA 870 (A+B) poly-addition silicone rubber for prosthetics
FEINGOSIL PA 870 is a putty bi-component RTV-2 silicone rubber vulcanizing at room temperature with a poly-addition process.
Easy to use, high details reproduction
Excellent dimensional stability in the time, excellent compatibility with phosphate coatings, polyurethane resins and plasters
Used in the dental industry for the production of masks for the manufacture of skeletally and temporary prosthetics
Properties
ASPECT: Paste
CHEMICAL CHARACTERIZATION: Addition-cured RTV-2
COLOUR PART A: White
COLOUR PART B: Green
ODOUR: Odourless
SOLUBILITY: Not mixable in water, dispersible in most of solvents
DENSITY: 1.75 g/cm3
PENETRATION: 210mm/10
Curing properties
MIX RATIO: 100:100
MIXING TIME: 30 seconds
WORKING TIME: 105 seconds
SETTING TIME: 5 minutes
Properties of the cross linked product
HARDNESS 8′: 70 Shore A
HARDNESS 24 h: 72 Shore A
DETAIL REPRODUCTION: 20 µm
COMPRESSIVE DEFORMATION: < 1 %
ELASTIC RECOVERY: > 99.5 %
SHRINKAGE: < 0.05 %
DATA SHEETS
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