Polyester Film Tape 850 Technical Data August, 2013 3M Polyester Film Tape 850 can generally be used for splicing and applications Product Description where chemical resistance and/or clean removal is necessary. The silver backing is a transparent polyester with a thin layer of aluminum. Standard Roll Product Construction Backing Adhesive Color Length Transparent, Red, Polyester Acrylic 72 yds. (65.8 m) Black, White, Silver Note: The following technical information and data should be considered representative or Typical Physical 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 mils (0.02 mm) D-3652 Total Thickness: 1.9 mils (0.05 mm) D-3652 Water Vapor Transmission Rate: 1.6 gms, H2O/100 sq. in./24 hrs. D-3833 (24.8 g/m2/24 hrs.) Silver: 0.9 gms, H2O/100 sq. in./24 hrs. D-3833 (7.75 g/m2/24 hrs.) Temperature Use Range: -60 - 300F (-50 - 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 surfaces from abrasion and rough handling. Variety of colors offered when easy detection is required. TM 3M Polyester Tape 850 Application Ideas Transparent, Red, Black, White: Splicing and web defect marking. Sealing, labeling, and protecting. Positive film striping (transparent). Decorative edging. Tape hinge. Silver: Post splicing movie film. Deflect flagging where reflective sensing is required. Decorative striping and die cutting. Decorative edging. Store under normal conditions of 60 to 80F (16 to 27C) and 40 to 60% relative Storage humidity in the original packaging material. To obtain best performance, use this product within 18 months from date of Shelf Life manufacture. The technical information, recommendations and other statements contained in this document are based upon tests Technical Information or experience that 3M believes are reliable, but the accuracy or completeness of such information is not guaranteed. Product Use Many factors beyond 3Ms control and uniquely within users knowledge and control can affect the 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 or application. Unless an additional warranty is specifically stated on the applicable 3M product packaging or product literature, 3M Warranty, warrants that each 3M product meets the applicable 3M product specification at the time 3M ships the product. 3M Limited Remedy, MAKES NO OTHER WARRANTIES OR CONDITIONS, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OR CONDITION OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR and Disclaimer PURPOS 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, whether Limitation of Liability direct, indirect, special, incidental or consequential, regardless of the legal theory asserted, including warranty, contract, negligence or strict liability. This Industrial Adhesives and Tapes Division product was manufactured under a quality system registered to ISO 9001:2000 standards. Industrial Business Industrial Adhesives and Tapes Division 3M Center, Building 220-3S-06 St. Paul, MN 55144-1000 Recycled Paper 3M is a trademark of 3M Company. 800-362-3550 577-369-2923 (Fax) 40% pre-consumer Printed in U.S.A. www.3M.com/industrial 10% post-consumer 3M 2012 G/COE/Product Technical Data Sheets/853