SHELF LIFE: 1 yearTEMPERATURE REQUIREMENTS: * Shrinks at 93 - 127 C (200 - 260 F) * Typical shrink tunnel heat setting: 121-176 C (250-350 F) * D-955: At 127 C (260 F) shrinks 77% in each direction. * D-940: At 127 C (260 F) shrinks 82% in length and 75% in width. * Storage temperature: -51 to 32 C (-60 to 90 F)ROLL DIAMETER: 10" (+/- 1/4")CORE: 3"SPECIFICATIONS: * CFIA AcceptedSTYLE: * Centerfold: Folded in half & wound on the roll. * When unfolded, the width listed is doubled.FEATURES: * Will not emit fumes when heated. * Must use heat gun or heat tunnel to effectively shrink film. Hair dryers do not get hot enough. * Acid free