FEINGOSIL PA 870 (A+B) poly-addition silicone rubber for prosthetics

Feingosil PA 870 (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.

Properties

ASPECT: Paste
CHEMICAL CHARACTERIZATION: Addition-cured RTV-2
COLOUR PART A: White
COLOUR PART B: Green
ODOUR: Odourless
SPECIFIC GRAVITY: 1.75 g/cm3
PENETRATION: 250mm/10

Curing properties

MIX RATIO: 100:100
WORKING TIME: 2 minutes
SETTING TIME: 5 minutes

Properties of the cross linked product

HARDNESS 8′: 68 Shore A
HARDNESS 24 h: 70 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.

DATA SHEETS

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