3PE Heat Shrinkable Sleeve With Closure Patch1.10 years'
expereances 2. Good anticorrosion 3. Good anti-leakage 4. Girth
weld of 3PE pipelines Product introductionHeat Shrinkable Sleeve
Two-piece, with separate closures designed for the corrosion
protection. Heat Shrinkable Sleeve is superior performance heat
shrinkable products designed for corrosion protection on field
applied girth-weld joints of buried and exposed steel pipelines
operating up to 80° C (176° F). InstructionThe inner layer is
two-components epoxy primer which coated on steel pipe;
Intermediate level is special hot melt adhesive; Outer layer is
modified radiation crossing linking polyethylene backing
AdvantagesCross-linked backing provides superior abrasion,
mechanical and chemical attack resistance. High performance
adhesive provides excellent resistance to Cathodic Disbondment to
ensure long-term corrosion protection Just-in-time customized
lengths allow bulk rolls to be field cut to protect any pipe size
Open sleeve configuration allows the product to be applied after
the pipeline has been welded and cleaned. SpecificationsPipeline
size: From Ø 108 to Ø 1054mm Sleeves width: 100mm, 150mm, 200mm,
300mm, 450mm, 500mm, 600mm, 900mm Closure patch: 100mm, 150mm
Technical Data Sleeve Operating CharacteristicsTest
Method Test ResultResultPipeline Operating Temp. Up
to 60°C Minimum Installation Temp. 75°C
Mainline Coating
Compatibility PE,PP, FBE,HPPC Adhesive
Properties Softening PointASTM E28 95°CpassLap Shear @
23°CASTM D1002 400N/cm2passBacking Properties Tensile
StrengthASTM D638 2600PSIpassElongationASTM
D638 500%passHardnessASTM D2240 50 Shore DpassVolume
ResistivityASTM
D257 1x1016 ohm-cmpassTape Properties Tape
Thickness 2.5mmpassBacking
thickness 1.5mmpassAdhesive
thickness 1mmpassPeel Strength @
23°CDIN EN12068 70N/cmpassImpact
ResistanceDIN EN12068 >15JpassIndentation
ResistanceDIN EN12068 >1mm@60CpassCathodic Disbondment
@ 23ºC, 28 days with epoxyDIN EN12068 12 mm
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