ARADUR® 439 XW 60

In combination with solid epoxy resins or their solutions for cold-curing, solvent-containing lacquers presenting the following features:

• extremely long working times
• non-tacky films after the pre-reaction
• very good adhesion and flexibility
• very good anti-corrosion protection.

Reactivity increases throughout the ARADUR® 100, 115, 125, 140 hardeners. The degree of sensitivity to high atmospheric humidity increases in proportion with the amine content. For applications under cold-damp conditions, we recommend ARADUR® 422 XW 70, 423 XW 60 and 424 XW 50 hardeners (pre-adducted polyamidoamine).

Along with liquid or (preferably) solid epoxy resins or their solutions such as Araldite GZ 7071 X 75, ARADUR® 439 XW 60 is suitable for the formulation of cold-curing, solvent- containing coatings for application on steel and mineral substrates. Main applications in ship-building, anti-corrosion protection and the construction industry.

The mix ratio of Araldite GZ 7071 X 75 to ARADUR® 439 XW 60 should be selected as 100:53 parts by weight.
Deviations from this of up to 20 % are acceptable. In such cases a higher proportion of Aradur provides increased flexibility and adhesion, while improved chemical resistance is achieved with a reduced proportion of Aradur.

ARADUR® 439 XW 60 should be stored in a dry place, preferably in the sealed original container, at temperatures between 2 and 40 °C. The product should not be stored exposed to direct sunlight.
Sometimes it happens that the typical yellow to brownish color of the hardener ARADUR® 439 XW 60 shows a somehow greenish effect.