STEPANPOL®

Product Name STEPANPOL® PS-3152

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n (n ~ 1.1) Product STEPANPOL PS-3152 is a diethylene glycol-phthalic anhydride-based polyester polyol. Description Applications This product can be used in rigid isocyanurate boardstocks and low density, pour, spray, high density and packaging

polyurethane foams. It can also be used in formulating urethane coatings, adhesives, sealants, and elastomers. Features This product exhibits excellent hydrolysis resistance, very good thermal stability and primary hydroxyl advantage. It may

promote adhesion to a variety of metal and plastic substrates. This product has low viscosity for ease of blending and high aromatic content.

Specifications Hydroxyl Number, mg KOH/g .............................................................................................................................. 300-330 Water, % by wt., max. ................................................................................................................................................. 0.15 Acid Number, mg KOH/g........................................................................................................................................ 2.0-3.0 Color, Gardner, max. ........................................................................................................................................................ 3 Other Equivalent Weight (average) ....................................................................................................................................... 174 Typical Molecular Weight (average) ......................................................................................................................................... 348 Properties Viscosity at 77°F (25°C), cP...................................................................................................................................... 2,677 Specific Gravity at 77°F (25°C) .................................................................................................................................. 1.24 Density at 77°F (25°C), lb/U.S. gal. ............................................................................................................................ 10.3 Storage STEPANPOL PS-3152 has a retest period of one year in unopened containers. Storage in sealed containers at

temperatures of 60-95°F (15-35°C) is recommended. Extended storage may result in the separation of solids. The product may be reconstituted by warming to 122-140°F (50-60°C) and mixing.

TSCA Status STEPANPOL PS-3152 is listed on the Toxic Substances Control Act (TSCA) Inventory.

CAS Number 32472-85-8

VISCOSITY DENSITY Viscosity and Density: Variation with Temperature

100

1,000

10,000

100,000

50 60 70 80 90 100 110 120Temperature (°F)

10.10

10.20

10.30

10.40

10.50

50 70 90 110 130Temperature (°F)

March, 2004 supersedes STEPANPOL® is a registered trademark of Stepan Company 11/03 page 1 of 2

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For Technical Service Call: Northfield, IL USA 800-745-7837 For Customer Service Call: Northfield, IL USA 800-457-7673 Longford Mills, Canada +1-705-326-7329 • Voreppe, France +33-476-505-100 Mexico City, Mexico +52-555-533-1697 • Cali, Colombia +57-1-522-2523 Manila, Philippines +632-891-1708 • Sao Paulo, Brazil +55-11-573-0120 Stalybridge, United Kingdom +44-161-338-9072 • Wesseling, Germany +49-223-270-5216 0603

All polyurethane foam burns in varying degrees, which in turn liberates toxic gases; the foam should be evaluated in its final form for compliance to existing standards in your industry. Nothing contained herein grants or extends a license, express or implied, in connection with patents, issued or pending, of the manufacturer or others. The information contained herein is based on the manufacturer's own study and the works of others. The manufacturer makes no warranties, expressed or implied, as to the accuracy, completeness, or adequacy of the information contained herein. The manufacturer shall not be liable (regardless of fault) to the vendee's employees, or anyone for any direct, special or consequential damages arising out of or in connection with the accuracy, completeness, adequacy or furnishing of such information.

A Material Safety Data Sheet is available upon request. Additional Safety Information

Stepan

Corporate Headquarters Northfield, Illinois 60093, U.S.A. 847-446-7500 847-441-1466 fax Website: www.stepan.com

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