FEINGOSIL PA 528 (A+B) putty silicone rubber

Feingosil PA 528 (A+B) is a putty poly-addition silicone rubber which cures at room temperature with a low shrinkage. It’s used in the field of restoration to prepare moulds for the reproduction of vertical objects. The product is applied directly on the object to copy. The curing is fast and hardening takes place in a few hours from the start of mixing. You obtain rigid and resistant moulds with high fidelity of reproduction and excellent dimensional stability.

Properties

ASPECT: Paste
CHEMICAL CHARACTERIZATION: Addition-cured RTV-2
COLOUR PART A: White
COLOUR PART B: Yellow
ODOUR: Odourless
SPECIFIC GRAVITY: 1.25 g/cm3
PENETRATION CONE: 230 mm/10

Curing properties

MIX RATIO: 100 : 100
WORKING TIME: 15 ÷ 20 minutes
SETTING TIME: 60 minutes

Properties of the cross linked product

HARDNESS 1 h: 32 Shore A
HARDNESS 24 h: 38 Shore A
TEAR STRENGTH: 7.0 KN/m
TENSILE STRENGTH: 1.5 MPa
ELONGATION: 200 ÷ 300 %
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.

DATA SHEETS

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