By 3M 284
3M™ Scotch varnished cambric tapes are made from straight-cut woven cotton cambric fabric. The fabric is oil primed and coated with a high-grade yellow electrical insulating varnish. Varnished cambric tapes are flexible, electrically insulating, and moisture resistant with a smooth finish. Scotch tape 2510 is yellow, non-adhesive coated, and 7 mils thick.
This tape is designed to perform continuously in temperatures up to +105°C (+220°F) with excellent resistance to abrasion, puncture, and cut-through. Scotch varnished cambric tape 2510 has a 5-year shelf life (from date of manufacture) when stored under the recommended storage conditions. Store behind present stock in a clean dry place at a temperature of +70°F and 40% to 50% relative humidity. Proper stock rotation is recommended.