| Comparison : |
Item # AF191K, 3M™ Scotch-Weld™ AF 191 Nylon Knit (K) Structural Adhesive Film Item # AF191M, 3M™ Scotch-Weld™ AF 191 Polyester Matte (M) Structural Adhesive Film Item # AF191U, 3M™ Scotch-Weld™ AF 191 Unsupported (U) Structural Adhesive Film
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