Designed for splicing of photographic film processing, 3M™ Photo Film Splicing Tape 8421 is a creamy white splicing tape featuring a thin, yet strong, polyester backing. It features an aggressive, versatile rubber adhesive that is both solvent and chemical resistant.
This rubber adhesive sticks well to a variety of films, offers excellent chemical and solvent resistance, and features high shear strength. The tape remains flexible at -60 degrees F (-50 degrees C) and is dimensionally stable up to 300 degrees F (150 degrees C).
Recommended Applications: Splicing of most photographic film through the chemical developing process, General wide web splicing, including butt splicing and core starting,
Sealing, color-coding, protecting and edging where a higher tack rubber adhesive is needed.