Pipeline Outerwrap

Pipeline Outerwrap

Ⅰ System description: Pipeline outerwrap ,part of XUNDA-T200 series ,is Cold applied tape coating system for corrosion protection of Oil, Gas, Petrochemical, and Waste Water underground or overhead pipelines. The outer-layer tape backing shall be compounded so that it will be resistance to...

Product Details

System description:
Pipeline outerwrap ,part of XUNDA-T200 series ,is Cold applied tape coating system for corrosion protection of Oil, Gas, Petrochemical, and Waste Water underground or overhead pipelines. The outer-layer tape backing shall be compounded so that it will be resistance to outdoor weathering.
The outer-layer tape shall be applied after the inner-layer tape by hand or with a wrapping machine.

Structure
The specification of the tape consists of two layers, adhesive layer and film backingAdhesive: butyl rubber.
Adhesive: butyl rubber
Film backingr: Special blend of stabilized polyethylene

 Features:
Excellent adhesion to inner-layer tape and self
Resistant to UV
Can be applied over a wide temperature range
Good conformability and consistent uniform thickness
Easily applied with no special equipment
Compatible with common pipe coatings
Excellent resistance to cathodic disbonding
Meets ASTM D 1000 Standard Cold applied
 Physical Properties.

Max Service Temperature- 40℃ - 80℃
Application Temperature-10℃ - 60℃
Backing colourBlack, Yellow or others
Outer WrapT238、T250、T265、T275、T290、T2100、T1300
Physical PropertiesT265 Typical ValueTest Method
EnglishMetric
Total thickness25.0 mil0.64mmASTM D 1000
Backing thickness16.0 mil0.40 mmASTM D 1000
Adhesive thickness9.0mil0.24 mmASTM D 1000
Width2''- 32''50 -800 mm-
Length100'-800'30 -240 m-
Tensile strength29.1 lbs/in52 N/ cmASTM D 1000
Elongation400%ASTM D 1000
Peel Adhesion to inner-layer tape45 oz/in5 N/cmASTM D 1000
Cathodic Disbandment0.25 in radius 6.4 mmASTM G8
Dielectric Strength40 KvASTM D 149
Volume Resistivity2.2x1012 ohm.cmASTM D 257
Water Absorptivity0.07%ASTM D 570
Water Vapor Transmission Rate (24h)0.01g/100sq in/24h0.1g/100sq mm/24hASTM F1249
UV resistanceExcellent-

Ⅴ Services: 

Underground, underwater and aboveground oil , gas , water and petrochemical pipelines transport system corrosion and mechanical protection、Construction building roof , bathroom ,kitchen waterproof、bridge concrete waterproof and sealing、Pipeline insulation and UV resistance、shipbuilding and oil,water tanks waterproof and corrosion prevention.

Ⅵ Quality control of raw materials

 All the raw materials that used for production of the corrosion prevention materials and sealing materials are purchased from domestic or international top-ranking companies. Ensuring the high quality of the products.

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