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Nourybond® 377
Nourybond® 377
Nourybond® 377
Nourybond® 377
Epoxy Curing Agents and Modifiers
Nourybond 377 adhesion promoter is a modified polyamidoamine PVC plastisol adhesion promoter intended for use in automotive sealants, underbody coatings and anti-chip primers. It is designed to provide adhesion to electrode deposition primers used in the manufacture of automobiles and larger vehicles such as trucks and buses.
Recommended usage level at 0.5-2.0%
Category:Hardener

PERFORMANCE ADVANTAGES

• Allows for 130°C cure

• DOP Free

• Provides adhesion to a wide variety of automotive electro deposition primers

• Good rheology allows for use over broad application area



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APPLICATIONS 

• Underbody coating and sealer

• Non visible seam sealer


STORAGE LIFE

At least 24 months from the date of manufacture in the original sealed container at ambient temperature.


HANDLING PRECAUTIONS

Refer to the Material Safety Data Sheet for Nourybond 377 adhesion promoter.

 

TYPICAL PROPERTIES
AppearanceAmber Liquid
Colour1 (Gardner)12
Viscosity2 @ 25°C [mPa.s]200-500
Amine Value3 [mg KOH/g]410-440
Recommended Use Level4 [wt%]50
Typical Cure Schedule30min @ 130°C


1 ASTM D 1544-80

2 Brookfield RVTD, Spindle 4

3 Perchloric Acid Titration

4 In PVC Plastisol Formulation