NatureShield® 31

Brand Family Overview

Ecrothan® polyurethane dispersions and PU-acrylic hybrid dispersions are specially developed for applications requiring maximum durability in a beautiful finish, e.g. for industrial wood. Available in grades for hard surfaces and flexible substrates, including 100% cosolvent-free grades.

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Provides excellent water resistance for topical wood coatings. This product works to prevent the swelling of wood in the presence of water as well as providing great water bead.


Anionic, natural materials emulsion

Performance Attributes

This product is used in many applications including the following:

ApplicationProperties Imparted
Exterior Wood Protectionswell resistance, water beading

See more products recommended for Exterior Wood Protection.
Physical Properties

These physical properties are typical but should not be considered specifications.

AppearanceCream colored liquid
pH7.7 - 9.0
Emulsifier ChargeAnionic
Percent Non-Volatile29.5 - 30.5
Brookfield Viscosity (cps, mPa·s) <100
Spindle Number2

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