Polyester Film Tape 850 Technical Data July, 2011 Product Description 3M Polyester Film Tape 850 can generally be used for splicing and applications where chemical resistance and/or clean removal is necessary. The silver backing is a transparent polyester with a thin layer of aluminum. Backing Adhesive Color Standard Roll Length Product Construction Polyester Acrylic (transparent) Transparent, Red, 72 yds. (66 m) Black, White, Silver Typical Physical Note: The following technical information and data should be considered representative or typical only and should not be used for specification purposes. Properties ASTM Test Method Adhesion to Steel: 30 oz./in. width (33 N/100 mm) D-3330 Silver: 42 oz./in. width (46 N/100 mm) D-3330 Tensile Strength at Break: 28 lbs./in. width (491 N/100 mm) D-3759 Elongation at Break: 120% D-3759 Backing Thickness: 0.9 mil (0.02 mm) D-3652 Total Tape Thickness: 1.9 mils (0.05 mm) D-3652 Water Vapor Transmission Rate: 1.6 gms. H O/100 sq. in./24 hrs. D-3833 2 2 (24.8 g/m /24 hrs.) Silver: 0.9 gms. H O/100 sq. in./24 hrs. D-3833 2 2 (7.75 g/m /24 hrs.) Temperature Use Range: -60F to 300F (-50C to 150C) Features Prolonged exposure to sunlight or hot caustics will cause backing to become brittle and lose tensile strength. Thin, high strength polyester film helps reduce failures due to breakage while meeting low caliper requirements. Chemical and solvent resistance to help reduce rejects produced from chemical and solvent attack. Abrasion resistant to help protect surface from abrasion and rough handling. 3M Polyester Film Tape 850 Application Ideas Transparent, Red, Black, White: Silver: Post splicing movie film. Splicing and web defect marking. Sealing, labeling and protecting. Deflect flagging where reflective sensing is required. Positive film striping (transparent). Decorative striping and die cutting. Decorative edging. Decorative edging. Tape hinge. Storage Store under normal conditions of 60 to 80F (16 to 21C) and 40 to 50% R.H. in the original carton. Shelf Life To obtain best performance, use this product within 18 months from date of manufacture. The technical information, recommendations and other statements contained in this document are Technical Information based upon tests or experience that 3M believes are reliable, but the accuracy or completeness of such information is not guaranteed. Many factors beyond 3Ms control and uniquely within users knowledge and control can affect the use Product Use and performance of a 3M product in a particular application. Given the variety of factors that can affect the use and performance of a 3M product, user is solely responsible for evaluating the 3M product and determining whether it is fit for a particular purpose and suitable for users method of application. Unless an additional warranty is specifically stated on the applicable 3M product packaging or product Warranty, literature, 3M warrants that each 3M product meets the applicable 3M product specification at the time Limited Remedy, 3M ships the product. 3M MAKES NO OTHER WARRANTIES OR CONDITIONS, EXPRESS OR and Disclaimer IMPLIED, INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OR CONDITION OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR ANY IMPLIED WARRANTY OR CONDITION ARISING OUT OF A COURSE OF DEALING, CUSTOM OR USAGE OF TRADE. If the 3M product does not conform to this warranty, then the sole and exclusive remedy is, at 3Ms option, replacement of the 3M product or refund of the purchase price. Except where prohibited by law, 3M will not be liable for any loss or damage arising from the 3M product, Limitation of Liability whether direct, indirect, special, incidental or consequential, regardless of the legal theory asserted, including warranty, contract, negligence or strict liability. ISO 9001: 2008 This Industrial Adhesives and Tapes Division product was manufactured under a 3M quality system registered to ISO 9001: 2008 standards. Industrial Adhesives and Tapes Division 3M Center, Building 225-3S-06 St. Paul, MN 55144-1000 Recycled Paper 3M is a trademark of 3M Company. 800-362-3550 877-369-2923 (Fax) 40% pre-consumer Printed in U.S.A. www.3M.com/industrial 10% post-consumer 3M 2011 70070776433 (7/11)