80C - Paper Masking Tape 2321 Product Data Sheet Date: February 2012 Supersedes: April 1997 Product Description 3M Paper Masking Tape 2321 is a chamois coloured crepe paper coated with a cross linked rubber resin adhesive. Key Features Reliable in low temperature bake cycles of up to 80 C Suitable for Infrared / UV curing. Good solvent and moisture resistance. Crepe paper backing for conformability that will maintain integrity when formed around corners. Backing saturated for easy tear resists slivering yet hand tearable. Rubber adhesive with instant adhesion. Good holding power that resists lifting or curling and helps reduce rework. Special backsize treatment controls unwind and helps reduce waste. Designed for indoor use only. Tape should not be subjected to outdoor exposure or prolonged periods of sunlight as product may become very difficult to remove. Physical Properties Adhesive Type Rubber resin Backing Type Crepe Paper Tape Colour Chamois Thickness 0.134 mm AFERA 5006 Performance Characteristics Adhesion to Stainless Steel 7.8 N/25mm AFERA 5001 Tensile Strength 80.4 N/25mm AFERA 5004 Elongation at break 10.1% Temperature Range 80C for 1 hour Page 1 of 2 Paper Masking Tape 2120 Date: January 2012 Storage Store under normal conditions of 70 F (21 C) and 50% R.H. in the original carton. Shelf Life 3M 2321 has a shelf life of 12 months from date of manufacture when stored in the original carton at 21C (70F) & 50 % Relative Humidity Precautionary Information Refer to product label and Material Safety Data Sheet for health and safety information before using the product. For information please contact your local 3M Office. www.3M.com Important Notice All statements, technical information and recommendations contained in this document are based upon tests or experience that 3M believes are reliable. However, many factors beyond 3Ms control can affect the use and performance of a 3M product in a particular application, including the conditions under which the product is used and the time and environmental conditions in which the product is expected to perform. Since these factors are uniquely within the users knowledge and control, it is essential that the user evaluate the 3M product to determine whether it is fit for a particular purpose and suitable for the users method or application. All questions of liability relating to this product are governed by the terms of the sale subject, where applicable, to the prevailing law Values presented have been determined by standard test methods and are average values not to be used for specification purposes. Our recommendations on the use of our products are based on tests believed to be reliable but we would ask that you conduct your own tests to determine their suitability for your applications. This is because 3M cannot accept any responsibility or liability direct or consequential for loss or damage caused as a result of our recommendations 3M is a trademark the 3M Company. 3M United Kingdom PLC Product Information : 3M Ireland Limited Customer Service : 3M House, The Iveagh Building 28 Great Jackson Street, Tel 0870 60 800 50 The Park, Carrickmines Tel (01) 280 3555 Manchester, Fax 0870 60 700 99 Dublin 18, Fax (01) 280 3509 M15 4PA Ireland Page 2 of 2