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