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Stevens Urethane AG8451 is an aliphatic polyurethane specifically formulated to be used as an adhesive interlayer without the need for a glass surface primer. Stevens Urethane AG8451 contains a UV additive package to protect itself and materials below it from harmful UV radiation.

Physical Properties Tensile strength at 100%, psi Tensile strength at 200%, psi Tensile strength at 300%, psi Tensile strength at Break, psi Elongation at Break, % Tear Strength, pli Specific Gravity DSC mid Point, Tg °C TMA Peak, °C TMA Range, °C Compression Set 22 hours at 22 °C, % Compression Set 22 hours at 70 °C, % Coefficient of Thermal Expansion L/Lo °C Test Methods ASTM D638* ASTM D638* ASTM D638* ASTM D638* ASTM D638* ASTM D624 ASTM D792 N/A N/A N/A ASTM D395 ASTM D395 N/A Typical Value 360 570 1022 5800 540 275 1.08 -60 88 65 ­ 130 23 95 ~0.0002

* - Note: ASTM D638 Die IV is used with a grip separation rate of 20 in/min on SU 0.050" film Optical Properties** Haze, % Transmission, % Yellowness Index Refractive Index **Film tested between two pieces of 1/8" glass Film Thickness for Optical Properties ­ 0.050" 412 Main Street, Easthampton, Massachusetts 01027-1918 Tel: 413-779-1200 Fax: 413-779-1259 Internet: Test Methods ASTM D1003 ASTM D1003 ASTM D1925 ASTM D542 Typical Value 0 - 0.3 85 ­ 95 <1 1.4962 Created February 2007


Microsoft Word - AG8451.doc

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