Interfacial Tension Modifier

NOTE: The information herein is currently believed to be accurate. We do not guarantee its accuracy. Purchasers shall not rely on statements herein when purchasing any products. Purchasers should make their own investigations to determine if such products are suitable for a particular use. The products discussed are sold without warranty, express or implied, including a warranty of merchantability and fitness for use. Purchasers will be subject to a separate agreement which will not incorporate this document.

© Copyright 2017, Elementis Specialties, Inc. All rights reserved. Copying and/or downloading of this document or information therein for republication is not allowed unless prior written agreement is obtained from Elementis Specialties, Inc.

® Trademark of Elementis Specialties, Inc. doc May 2017

USA Head OfficeEuropeChina

Elementis Specialties, Inc. Elementis UK Ltd.Deuchem (Shanghai) Chemical Co., Ltd.

469 Old Trenton Roadc/o Elementis GmbH99, Lianyang Road

East Windsor, NJ 08512, USAStolberger Strasse 370Songjiang Industrial Zone

Tel.: +1 609 443 250050933 Cologne, GermanyShanghai, China 201613

Fax: +1 609 443 2422Tel.: +49 221 2923 2066Tel.: +86 21 5774 0348

Fax: +49 221 2923 2011Fax: +86 21 5774 3563

GENERAL INFORMATION

DAPRO®U-99 is a high performance interfacial tension modifier designed for use at relatively low levels to eliminate or diminish film defects.
It is particularly effective in solvent based two-component epoxy systems as well as waterborne and solvent based alkyd systems and decorative coatings.

PHYSICAL PROPERTIES

Composition / Proprietary Anionic/ Nonionic Surfactants
Color /
Form / Nearly Colorless /
Clear Liquid
Solids Content / 50%
Density (20o C) / 1.03 g/cm3
Viscosity (25o C) / 22-32 mPa·s
Surface Tension / 33 dynes/cm2
(0.5% in water)
Flash Point / 51oC (123 oF)

APPLICATIONS

-Water and solvent-based paints

-2-component epoxy paints

-Alkyd paints

KEY PROPERTIES

•High efficiency

•Silicone free

•Eliminate or diminish

-Fish eyes

-Crawling

-Some forms of cratering

•Improves wet-edge coverage

•Promote spreading and uniform film formation

-Hard to wet surfaces

-Contaminated surfaces

•Improves flow and leveling

•Enhances substrate wetting

•Alkylphenolethoxylate free

•FDA approved for many applications

INCORPOrATION

DAPRO®U-99 is typically added at the let-down stage of the paint formulation.

LEVELS OF USE

Typical use levels of DAPRO®U-99 are 0.25% to 1.0% of total system weight.

Health and safety data

Before using this product please consult our Material Safety Data Sheet (MSDS) for information on safe handling and storage. MSDS’s can be found on the company website at

STORAGE RECOMMENDATIONS

Do Not Freeze

Keep containers tightly closed in a cool, well-ventilated room. Opened, partially used pails or drums should be sealed immediately after use.

SHELF LIFE

DAPRO U-99 has shelf life of 3 (three) years from the date of manufacture.

Quality assurance

Since 1992 the company is a holder of the ISO9001 / ISO 9002 certificates, which guarantees that all operations are conducted according to the stipulated standards.