TECHNICAL BULLETIN

Ulterion International, LLC.

P.O. Box 236 Braselton, GA 30517

Telephone (706) 654-2222 Fax (706) 654-2234

The information contained herein is thought to be accurate in all aspects; however, the applications for these products mentioned are presented without guarantee or responsibility as to the suitability of our products whether used singly or in combination with other products. Nothing herein is to be taken as a license to operate under or as a recommendation to infringe any patents. The products are sold without warranty, expressed or implied, and are purchased at buyer’s risk.

ULTERION® 2500 WT WATER RESISTANCE COATING

Stand alone water resistant coating Adds strength Recyclable and repulpable Replaces PVOH in sizing applications Easily formulated Improves adhesive holdout Makes Kymene treated paper repulpable FDA approved for food contact

Product Description Ulterion® 2500 WT is a high Tg, slightly hydrophobic, anionic, water-based resin developed for water repellency and improved strength. It has applications in barrier coatings, overprint varnishes, inkjet formulations, xerographic binder formulations, polyvinyl alcohol replacement in sizing formulations, packaging coatings, and others where water resistance and strength is a requirement. Ulterion® 2500 WT will make paper non-wicking and provide dry strength for applications at the wet end of the paper machine. The paper made with this product is completely repulpable. Typical Properties

% Solids 20 pH 6.8 – 7.5 Odor Organic Appearance Tan to Off-White Color Specific gravity 1.04 Tg of dry film 56°C Viscosity (cps) <50 Origin USA FDA Status Ulterion 2500 WT is composed of ingredients, which are in compliance with FDA for direct and indirect food contact. Application Methods Typical wet end applications use 30 – 50 wet

Corrugated liner & medium Improved ECT Makes wet strength papers stronger Coating base liner for wax alternative

boxes

Handling / Storage Stability Keep from freezing. Store in a cool, dry area, i.e., 70 – 80°F. Keep away from high heat. Heat will shorten the 2-month shelf life. Ulterion® 2500 WT is also available in 100% solids powder form which can be stored up to 3 years. See below for dispersion procedures. Product Safety When considering the use of Ulterion International products, please refer to the latest Material Safety Data Sheets (MSDS). If you require an MSDS for this product; please call (706) 654-2222 or your Ulterion International Representative.

PERFORMANCE FEATURES MARKET USES

pounds per ton. Coating after treatment with Ulterion® 542 OPV, will produce paper with good water repellency and a balance of moisture barrier properties and maintain strength under wet & humid conditions. Ulterion® 2500 WT must be used in conjunction with a cationic promoter. Ulterion® 8029, a special poly-aluminum chloride is used, 0.5 parts to 1 part Ulterion® 2500 WT. A poly-DADMAC is a second choice. Polyamines do not appear to work well and allows for reduction or elimination when Ulterion® 8029 is used.