Pro 400 is an impregnated crepe paper coated on both sides with 2.5mils of rubber adhesive. The adhesive exhibits high tack and moderate shear properties. The Pro 400 is used where an economical, general purpose double coated paper tape with good tensile strength is needed. It is also used for bonding and laminating to a wide variety of plastics, metals, papers. Features: Quick Stick, Good Adhesion, Good Tensile Strength, Permanent Bond, Highly Conformable, Made in the USA. Technical Specs: Adhesive: Rubber, Total Thickness: 8.5 mils (thousandth of an inch), Temperature Range: 30F to 150F