3M™ Scotch-Weld™ Structural Adhesive Film AF 191 is a thermosetting, modified epoxy designed for bonding composites, metal to metal and metal to honeycomb components where high strength and peel at 350ºF (177ºC) is required.
Unit of Measure

Specifications

Brands

N/A 3M™ Scotch-Weld™

Product Description

Film Weight for 5 Mil Film Thickness

N/A 0.030 lb/ft²146 g/m²

Film Weight for 6 Mil Film Thickness

N/A 0.035 lb/ft²170 g/m²

Film Weight for 10 Mil Film Thickness

N/A 0.06 lb/ft²293 g/m²

Film Weight Tolerance (±)

N/A 0.005 lb/ft²24.4 g/m²

Film Thickness

N/A 5 mil6 mil10 mil

Type

N/A Polyester Matte

Recommended Cure Temperature

N/A 350 ºF177 ºC

Recommended Cure Time

N/A 1 hour

Volatile Content

N/A Less than 1%

Color

N/A Tan

Advantages

Advantages

N/A
  • Unique toughening system.
  • High shear strength.
  • Excellent elevated temperature performance.
  • Extremely high peel strength.
  • Excellent long-term durability.
  • Excellent cryogenic performance.
  • Flexible cure cycles (275-400ºF).
  • Unsupported versions (Scotch-Weld™ AF 191U Film) available for reticulation.
  • Isolation version (Scotch-Weld™ AF 191G108 Film) available for bonding dissimilar substrates.
  • Sprayable version of Scotch-Weld™ AF 191 Film available (3M™ Scotch-Weld™ Structural Adhesive Primer EC-3710).
  • Available with light-weight conductive screens for lightning strike/composite surfacing applications.

Storage

Storage

N/A Storage Stability - Storage at 0 ºF (-18 ºC) or below is recommended for Scotch-Weld™ AF 191 Film to obtain maximum storage life.

Shelf Life

Shelf Life

N/A Standard shelf life of Scotch-Weld™ AF 191 Film at 0ºF (-18ºC) is 6 months from date of shipment.

Note for Shelf Life

N/A Scotch-Weld™ AF 191 Film should be permitted to thoroughly warm to room temperature before being used in order to prevent moisture condensation. (Do not open protective container prior to reaching ambient conditions).

Technical Information

Technical Information

N/A The technical information, recommendations and other statements contained in this document are based upon tests or experience that 3M™ believes are reliable, but the accuracy or completeness of such information is not guaranteed.

Product Use

Product Use

N/A Many factors beyond 3M™'s control and uniquely within user's 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 user's method of application.

Warranty, Limited Remedy, and Disclaimer

Warranty, Limited Remedy, and Disclaimer

N/A Unless an additional warranty is specifically stated on the applicable 3M™ product packaging or product literature, 3M™ warrants that each 3M™ product meets the applicable 3M™ product specification at the time 3M™ ships the product. 3M™ 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 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 3M™'s option, replacement of the 3M™ product or refund of the purchase price.

Limitation of Liability

Limitation of Liability

N/A Except where prohibited by law, 3M™ will not be liable for any loss or damage arising from the 3M™ product, whether direct, indirect, special, incidental or consequential, regardless of the legal theory asserted, including warranty, contract, negligence or strict liability.

Note

Note

N/A This product was manufactured under a 3M™ quality standard registered under AS9100 standards.