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Low Temperature Petrolatum Tape. For long-term corrosion protection of pipes, flanges, valves and related surfaces.
Description
Denso LT Tape is composed of a non-woven synthetic fabric carrier, fully impregnated with a neutral compound based on saturated petroleum and inert silicious fillers.
Uses
Denso LT Tapes are specifically designed for applications at cooler ambient temperatures. The tapes provide long term corrosion protection to pipes, flanges, valves and related surfaces.
Features
Applied to marginally prepared surfaces (SSPC SP 2-3)
Conforms to irregular shapes and profiles
UV resistant
Can be applied to cold, wet surfaces
Not effected by water, acid, salts or soil organics
Encapsulation of lead paint
Contains no solvents
Easy application from arctic to tropical temperatures
Ready for immediate service after application
Meets AWWA C217 Standard
Over a sixty-five year history of proven applications
Can be applied above and below ground
Application
Prepare surfaces by removing all loose scale, rust or other foreign matter in accordance to SSPC SP2 “Hand Tool Cleaning” or SP3 “Power Tool Cleaning”. High pressure water wash of 3,000 - 7,000 psi is also suitable. Apply a thin film of Denso Paste, which serves as a primer. Spirally wrap the tape with a minimum 1" overlap. For severely corrosive environments, a 55% overlap is recommended. While wrapping, press air pockets out and smooth all lap seams. For additional mechanical protection, an overwrap may be used to increase impact strength and electrical resistance.
Irregular surfaces such as valves, flanges, etc. may require the use of Densyl Mastic or Denso Profiling Mastic. Refer to the product sheets for these specific products for information on application and selection.
Specifications
Properties
English
Metric
Thickness (ASTM D1000) Weight Breaking Strength (ASTM 1000) Water Vapor Transmission (ASTM E96 - 66 Procedure A) Elongation at Break Breakdown Voltage (55% overlap) Resistance to Cathodic Disbonding (ASTM G8 - 30 days) Resistance to Acids, Alkalies and Salts Service Temperature, max Roll Width Roll Length
46 mils 0.295 lbs/ft2 22.5 lbf/in 0.006 perms 10% 16 kV 0.45 in2 Excellent 122°F 2" to 12" 33 ft
1.15 mm 1.44 kg/m2 200 N/50 mm 0.006 perms 10% 16 kV 300 mm2 Excellent 50°C 50 to 300 mm 10 m
Denso LT Tape is composed of a non-woven synthetic fabric carrier, fully impregnated with a neutral compound based on saturated petroleum and inert silicious fillers.
Uses
Denso LT Tapes are specifically designed for applications at cooler ambient temperatures. The tapes provide long term corrosion protection to pipes, flanges, valves and related surfaces.
Features
Applied to marginally prepared surfaces (SSPC SP 2-3)
Conforms to irregular shapes and profiles
UV resistant
Can be applied to cold, wet surfaces
Not effected by water, acid, salts or soil organics
Encapsulation of lead paint
Contains no solvents
Easy application from arctic to tropical temperatures
Ready for immediate service after application
Meets AWWA C217 Standard
Over a sixty-five year history of proven applications
Can be applied above and below ground
Application
Prepare surfaces by removing all loose scale, rust or other foreign matter in accordance to SSPC SP2 “Hand Tool Cleaning” or SP3 “Power Tool Cleaning”. High pressure water wash of 3,000 - 7,000 psi is also suitable. Apply a thin film of Denso Paste, which serves as a primer. Spirally wrap the tape with a minimum 1" overlap. For severely corrosive environments, a 55% overlap is recommended. While wrapping, press air pockets out and smooth all lap seams. For additional mechanical protection, an overwrap may be used to increase impact strength and electrical resistance.
Irregular surfaces such as valves, flanges, etc. may require the use of Densyl Mastic or Denso Profiling Mastic. Refer to the product sheets for these specific products for information on application and selection.
Specifications
Properties
English
Metric
Thickness (ASTM D1000) Weight Breaking Strength (ASTM 1000) Water Vapor Transmission (ASTM E96 - 66 Procedure A) Elongation at Break Breakdown Voltage (55% overlap) Resistance to Cathodic Disbonding (ASTM G8 - 30 days) Resistance to Acids, Alkalies and Salts Service Temperature, max Roll Width Roll Length
46 mils 0.295 lbs/ft2 22.5 lbf/in 0.006 perms 10% 16 kV 0.45 in2 Excellent 122°F 2" to 12" 33 ft
1.15 mm 1.44 kg/m2 200 N/50 mm 0.006 perms 10% 16 kV 300 mm2 Excellent 50°C 50 to 300 mm 10 m
