Brady 91986/7088-4 B-946 brady B-946 indoor/outdoor marking film is a high gloss, durable, flexible, pressure sensitive adhesive product used for pipemarkers, arrow tape, numbers and letters, vehicle placards, pedestal markers, warning panels and safety signs. Permanent cold temperature pressure sensitive acrylic adhesive, vinyl film substrate type, adhesive properties are adhesion to steel (PSTC-101), 15 minute dwell to stainless steel (average)- 80 ounce/inch (87.5 N/100mm), ultimate dwell to stainless steel (72 hours) (average)- 85 ounce/inch (93 N/100mm), 15 minute dwell to polypropylene (average) 60 ounce/inch (65 N/100mm), ultimate dwell to polypropylene (72 hours) (average) 69 ounce/inch (75 N/100mm), 15 minute dwell to powder coated metal (average) 60 ounce/inch (65 N/100mm) ultimate dwell to powder coated metal (72 hours) (average) 75 ounce/inch (82 N/100mm), abrasion resistance (method 5306 of U.S. federal test method standard no. 191A) is cs 10 wheels, 250g weights, Legend is withstands up to 350 cycles,60 degree 50 gardner units gloss. Legend is "DOMESTIC HOT WATER RETURN" black on yellow color. Measures 7" width by 1-1/8" height by 3/4" character height.