CP 743 is a specialty-grade black paper tape built for light-free masking. Camera assistants use it to seal light leaks on mags, bellows and film holders, and it’s long been the tape of choice for chart work and masking in photo labs and darkrooms. The matte black surface doesn’t kick back light on set, it sticks quickly and conforms to uneven shapes.
- Backing: Impregnated paper, opaque matte black
- Adhesive: Rubber-based, high adhesion, quick stick
- Thickness: 6.5 mil
- Service temperature: 45°F to 150°F
- Widths: 1/2″, 1″, 2″, 2″ small core
- Brand: Shurtape
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