TENSILE STRENGTH: 22 lbs/in
ADHESIVE: Natural RubberBACKING: Polyethylene coated polyester/cotton blend cloth.CORE: 3"SHELF LIFE: 1 year if stored in cool dry area out of direct sunlight.PERFORMANCE TEMP RANGE: 10 - 93 C (50 - 200 F)MISCELLANEOUS: * Best performance when applied on clean dry surface free of grease and oil. * Meets UL 723, Flame spread index 5 Smoke development Index 5 * Waterproof