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3M™ Scotch-Weld™ Low Density Composite Surfacing Films AF 325LS is a thermosetting, laminated metal foil film that adheres to cold and release coated tools. Comes in two weights of copper screen for lightning dissipation applications.
Excellent for surfacing composites. Provides a smooth void-free surface. Compatible with 250°F (121°C) or 350°F (177°C) cure cycles. Eliminates most filling operations.