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ProductType of AdhesiveCarrier/BackingAdhesion To Stainless Steel (ounces per inch)Tensile Strength (pounds per inch)Thickness (mils)Operating Temp. MinimumOperating Temp. MaximumWeight
ISC X-Flex X-Flex Crash Repair Racers Tape butyl rubber aluminum foil - painted 45 from 7 ounces to 1 pound
Duck Brand Waterproofing Waterproofing Tape [Butyl Adhesive / Foil Backing] non-flammable, butyl rubber printed, aluminum foil 255 25 17 -20°F 200°F 8 ounces
Nashua 360-17 FoilMastic Butyl Rubber Tape butyl rubber 2 mil aluminum foil - printed 200 20 17 40°F 200°F from 2 pounds 2 ounces to 3 pounds 4 ounces
3M 08578 Butyl Rubber Strip Caulk butyl rubber rubber 118 1 pound 6 ounces
Pro Tapes Pro-Flex-Roll Pro-Flex Patch & Shield Tape butyl rubber butyl 320 15 28 -70°F 200°F from 3 ounces to 4 pounds 4 ounces
Gorilla Waterproof Waterproof Patch & Seal Tape rubber low density polyethylene (LDPE) from 9 ounces to 13 ounces
Scotch 2210 Vinyl Mastic Tape [Single-Sided] mastic vinyl 200 90 2 pounds 2 ounces
Gorilla All Weather Permanent All Weather Tape [Butyl Rubber] rubber butyl rubber 17 -40°F 200°F 8 ounces
Pro Tapes Pro-Flex-Patch Pro-Flex Patch & Shield Pre-Cut Tape Patches butyl rubber butyl 320 15 28 -70°F 200°F 3 ounces
T-REX Waterproof Waterproof Tape rubber based low density polyethylene (LDPE) 320 15 28 from 5 ounces to 7 ounces
3M 2212 Butyl Mastic Tape [Single-Sided] butyl rubber rubber 35 4 ounces
Scotch 2228 Rubber Mastic Tape [Single-Sided] butyl rubber rubber 240 150 65 266°F from 7 ounces to 14 ounces
Nashua 367-17 FoilMastic Butyl Rubber Sealant Tape [UL 181B-FX listed] butyl rubber 2 mil aluminum foil - printed 90 23 17 40°F 200°F from 2 pounds 6 ounces to 3 pounds 5 ounces
3M 4411 Extreme Sealing Tape acrylic ionomer film 240 13 40 200°F 3 pounds 8 ounces
Nashua 360-45 Heavy Duty FoilMastic Butyl Rubber Tape butyl rubber 2 mil aluminum foil - printed 63 20 45 40°F 300°F from 3 pounds 11 ounces to 4 pounds 15 ounces
Nashua 361-11 Waterproofing Repair Tape butyl rubber aluminum foil 75 20 11 40°F 200°F 8 ounces
Shurtape SF-685 ShurMASTIC Butyl Rubber Foil Tape non-flammable, butyl rubber printed, aluminum foil 255 25 17 -20°F 200°F from 2 pounds 6 ounces to 3 pounds 5 ounces
Shurtape SF-686 ShurMASTIC Indoor/Outdoor Mastic On A Roll non-flammable, butyl rubber printed, aluminum foil 111 23.8 17 -20°F 200°F from 2 pounds 3 ounces to 3 pounds 8 ounces
Adhesion To Steel - refers to how strong the tape sticks (how hard it is to pull off surface), the spec literally means that if adhesion is 55 then it would take 55 ounces of pull per inch of tape width to break the bond between the tape and the stainless steel test panel when peeled back at a standardized rate and angle
Tensile Strength - the longitudinal strength of the tape which is not the same as tear (transverse) strength; it refers to a tapes ability to withstand force or stress or in other words how hard can you pull on the tape before it breaks apart
Thickness - a higher thickness tape usually equates to a higher performance/quality product
Elongation - measures how stretchable a tape is lengthwise - an elongation of 150% means the tape can be stretched over 1-1/2 times its original length before it breaks or stops stretching

FindTape.com: Butyl Rubber/Mastic Tape Comparison Matrix