FEINGOSIL PA 528 (A+B) putty silicone rubber

FEINGOSIL PA 528 is a putty bi-component RTV-2 silicone rubber vulcanizing at room temperature with a poly-addition process.

  • Easy to use, high details reproduction
  • Very fast curing, the hardening takes place in only 60 minutes
  • Used in the hobbies sector to prepare elastic and resistant moulds for the reproduction of objects

Properties

ASPECT: Paste
CHEMICAL CHARACTERIZATION: Addition-cured RTV-2
COLOUR PART A: White
COLOUR PART B: Yellow
ODOUR: Odourless
SOLUBILITY: Not mixable in water, dispersible in most of solvents
DENSITY: 1.24 g/cm3
PENETRATION CONE: 220 mm/10

Curing properties

MIX RATIO: 100 : 100
WORKING TIME: 20 minutes
SETTING TIME: 75 minutes

Properties of the cross linked product

HARDNESS 2 h: 30 Shore A
HARDNESS 24 h: 36 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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