by SpecialChem

ROLFLEX® BK 23

Technical Datasheet | Supplied by Lamberti

ROLFLEX® BK 23 by Lamberti is an aromatic crosslinking agent free of pyrrolidone, oxime, pyrazole and formaldeyde derivatives. It is a non-ionic/slightly anionic blocked polyurethane in water dispersion. It

It offers water and oil repellence, washing fastness and dry cleaning, in combination with fluoro-carbon or fluoro-free resins, on articles made with natural or synthetic fibers.
It can be combined with a wide range of polyurethane dispersions and acrylic emulsions, without compromising the pot-life of the formulation.
It is recommended for coating and printing applications.
The recommended dosage level is 5-10% on the total formulation.
ROLFLEX® BK 23 has a shelf life of 6 months.

ROLFLEX® BK 23 Properties

Property

Value & Unit

Test Condition

Test Method

Dry Content

29 - 31 %

(At 80°C)

7.0 - 10.0

(At 25°C)

ASTM E70

Curing Temperature

> 140 °C

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ROLFLEX® BK 23

ROLFLEX® BK 23 Properties

Property

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