PetroWrap Anti-Corrosion Tape

PetroWrap tape Hand Application

PetroWrap Anti-Corrosion Tape consists of a non-woven, stitch bonded, synthetic fabric which has been fully impregnated with neutral petrolatum based compounds and inert fillers. PetroWrap Anti-Corrosion Tape will not crack, peel, or harden and therefore remains impermeable to moisture and requires no maintenance.

Composition:
PetroWrap Anti-Corrosion Tape is a non woven stitch bonded synthetic fabric, which is fully impregnated and coated with neutral petrolatum based compounds and inert fillers. Petrolatum based PetroWrap Anti Corrosion Tape is chemically inert and does not polymerize or oxidize and therefore retains its water resistance and dielectric properties over an extended period. It is free of chemical impurities.

Priming:
All surfaces should be evenly coated with PetroWrap Primer prior to application of PetroWrap Tape.

Finishing:
Pipes wrapped with PetroWrap may be overwrapped with PetroWrap OverWrap tape, a self adhesive PVC tape, for extra protection.

Overlapping:
A 55% overlap is recommended, however, a minimum overlap of 15mm may be used on pipes of diameter less than 150mm and a 25mm lap may be used on larger diameter pipes.

Characteristics:
PetroWrap Tape exhibits a very high degree of impermeability to water and is unaffected by vibration. It is highly resistant to mineral acids , alkalis, and salts.

Characteristics
Tensile Strength 200 N/25mm
Thickness 1.3mm minimum
Roll Length 33 ft. (10 meters)
Roll Width 2 - 12 (50mm - 300mm)
Water Vapor
Permeability
0.12 g/m2 per 24 hrs. (ASTM E96-66)
Holiday Test 10 KV

Specifications:
PetroWrap Anti-Corrosion Tape is specifically formulated to provide protection in all climactic conditions and is available in the following grades:

Anti-Corrosion Tape Physical Properties
Property AWWA Requirement PetroWrap
Tape
Standards
Compliant
Dielectric Strength
volts/mil
170 min 250 yes
Thickness
microns
1016 min 1100 yes
Breaking Strength
n/m
3940 min 7200 yes
Elongation at Break
percent
6 min 20 yes
Flash Point 150 min > 40 yes
Water Vapor Transmission
Ng/Pa.S.m2
1.44 max < 1.0 yes
Petrolatum Components
percent
50 min 60 yes
Drop Melting Point
celcius
60 min 84 yes
Cone Penetration
mm
6.1 - 12.7 6.3 yes

 

PetroWrap Primer and Tape Requirement Calculations
Pipe
Diameter
Primer
Paste
Tape
55% Overlap
Tape
Min Overlap
    Rolls Width Rolls Width
19mm 1.7 Kg 40 50mm 37 50mm
25mm 2.1 Kg 50 50mm 31 50mm
32mm 2.7 Kg 45 50mm 40 50mm
38mm 3.0 Kg 48 50mm 24 50mm
50mm 3.8 Kg 59 100mm 52 100mm
75mm 5.6 Kg 48 100mm 48 100mm
100mm 7.2 Kg 84 100mm 44 100mm
150mm 10.6 Kg 83 150mm 44 150mm
200mm 13.8 Kg 107 150mm 58 150mm
250mm 17.2 Kg 98 200mm 72 200mm
300mm 20.4 Kg 117 200mm 61 200mm
355mm 22.4 Kg 131 200mm 67 200mm
405mm 25.5 Kg 149 200mm 75 200mm
460mm 28.7 Kg 168 200mm 86 200mm
500mm 31.9 Kg 187 200mm 95 200mm
610mm 38.0 Kg 224 200mm 114 200mm
660mm 41.4 Kg 242 200mm 123 200mm
710mm 44.6 Kg 261 200mm 132 200mm
760mm 47.8 Kg 280 200mm 141 200mm
915mm 57.4 Kg 336 200mm 169 200mm