851 38MM 3M

: March 1996 : A green polyester film tape Product Description with a special conformable plating bath chemicals. Special blend of Silicone 100 m Thickness Tape Colour 12 months from date of despatch by 3M when stored in the Shelf Life original carton at 21C (70F) & 50 % Relative Humidity 2.7 N/10mm Adhesion to Stainless 36.8 N/10mm Tensile Strength 56 % Elongation at Break Maximum 90 C Temperature Range ASTM D-3759 ASTM D-3759 Not for specification purposes ASTM D-3330 Steel Characteristics Performance Translucent green (ASTM D-3652) Backing Transparent polyester Not for specification purposes and Rubber Adhesive Type Physical Properties adhesive which resists October 1993 Supersedes Updated Product Data Sheet 851 Greenback Printed Circuit Board Tape2 Date : March 1996 851 Greenback Printed Circuit Shelf life - important to Additional Product rotate inventory. Information Low stretch polyester film Tape must be firmly Application Techniques for machine, as well as hand application. press. Hand rolling usually board is recommended to pressure. A vivid outline of soldering. the circuit leads indicates For masking printed circuit Splicing of silicone coated boards during solder stripping and precious metal plating of fingers. number of reject boards. line. fingers. costs. boards. clean-up time. to printed circuit board. 3M is a trademark of the 3M Company. Specialty Tapes & Adhesives 3M Ireland 3M House, 3M House, Adelphi Centre, 28 Great Jackson Street, Tel 0161 236 8500 Upper Georges Street, Tel (01) 280 3555 Manchester, Fax 0161 237 1105 Fax (01) 280 3509 Ireland M15 4PA Laoghaire,Co. Dublin, Dun Customer Service : Customer Service : 3M United Kingdom PLC 3M United Kingdom PLC 1996 recommendations. This is because 3M cannot accept any responsibility or liability direct or consequential for loss or damage caused as a result of our determine their suitability for your applications. 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 Values presented have been determined by standard test methods and are average values not to be used for specification purposes. Reduces adhesive transfer Saves money by reducing used to heat tape and better when no ovens are Tape generally performs adhesive. Saves energy and labour Specially designed out solutions between reject boards. because adhesive blocks Saves money by reducing Reduces undercutting Thick adhesive coating. associated uneven stop-off recovery of tape and Saves money by reducing Reduces stretch and Polyester backing. BENEFITS ADVANTAGES FEATURES papers. Applications used. adequate pressure was facilitate subsequent does not provide enough Solvent clean-up of the or a rubber covered platen with rubber covered rollers pressed down by equipment Board Tape