CAB (cellulose acetate butyrate) sheet (also known as Uvex®) is a soft and flexible clear, easy to form plastic with excellent drape and blister forming characteristics. It is often used for rigid check sockets in the prosthetic industry. CAB sheet offers UV resistance making it a good option for outdoor applications. It is widely used for face masks for injury protection and certain sports. Please ask your Curbell Plastics representative for more specific information about an individual brand. Get a quote or shop for CAB. For a glossary of terms, see our Plastic Properties Descriptions. TYPICAL PROPERTIES UNITS ASTM TEST Tensile Strength psi D638 5,221 Flexural Modulus of Elasticity psi D790 230,000 Izod Impact (notched) ft-lbs/in of notch D256 4.4 Heat Deflection Temperature (66psi / 264psi) °F D648 196 181 Water Absorption (Immersion 24 hours) % D570 1.40 PHYSICAL PROPERTIES UNITS ASTM TEST Specific Gravity - D792 1.20 Water Absorption (Immersion 24 hours) % D570 1.40 MECHANICAL PROPERTIES UNITS ASTM TEST Tensile Strength psi D638 5,221 Tensile Modulus of Elasticity psi D638 - Tensile Elongation % D638 33.9 Flexural Strength psi D790 - Flexural Modulus of Elasticity psi D790 230,000 Compressive Strength psi D695 - Hardness scale as noted D785, D2240 - Izod Impact ft-lbs/in D256 4.4 THERMAL PROPERTIES UNITS ASTM TEST Coefficient of Linear Thermal Expansion in/in/°F x 10-5 D696 - Heat Deflection Temperature (66psi / 264psi) °F D648 196 181 Max Continuous Service Temperature In Air °F - - ELECTRICAL PROPERTIES UNITS ASTM TEST Dielectric Strength V/mil D149 - OPTICAL PROPERTIES UNITS ASTM TEST Light Transmittance % D1003 - Haze % D1003 35 OTHER UNITS ASTM TEST Coefficient of Friction - Dynamic - Values may vary according to brand name. Please ask your Curbell Plastics representative for more specific information about an individual brand. Still Not Sure if You Need CAB? Research CAB or Ask a Plastics Expert.