Gost-r-51164-98 standard Wrap Around Type Heat Shrink Sleeves for pipeline

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xMaterials | HDPE | Adhesive | Hot Melt Adhesive |
---|---|---|---|
Type | 3LPE | Backing | Radiation Crosslinking HDPE |
Fuction | Joint Corrosion Protection | Thickness | 2.0mm,2.5mm,2.8mm |
Width | 450mm,500mm,550mm,600mm | Core Features | Heat Shrink |
Standard | Gost-r-51164-98 | Matched | Closure Patch And Epoxy Primer |
Gost-r-51164-98 Heat Shrinkable Sleeves
Heat shrinkable sleeves HSS,Two-piece, with separate closures designed for the corrosion protection. Heat shrinkable sleeves 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).
Heat shrinkable sleeves has three layers, The 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.
High shrink sleeves Features & Benefits:
●HSS is a wraparound sleeve with a separate closure
● Cross-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.
Model: HSS Ø 426mm/ 500mm/ 2.5mm
HSS -------Heat shrinkable sleeves
500mm -----Width of sleeves (as supplied)q
Ø 426mm ----Joint or pipeline Diameter
Note: The Size can be ordered according to customers’demands
term corrosion protection
Product properties | ||
Property | Test Method | Typical Value HT 60 |
Radiation crosslinking PE Backing | ||
Tensile strength | ASTM D 638 | 3200psi (22MPa) |
Elongation | ASTM D 638 | 550% |
Thermal ageing | ASTM D 638 | 420% |
Hardness, Shore D | ASTM D 2240 | 52 |
Shrink force | ASTM D 638, 150°C (302°F) | 43psi |
Dielectric strength at 23°C | ASTMD 149 | 825volts/(33KV/mm) |
Moisture absorption | ASTM D 570 | 0.05% |
Hot Melt Adhesive | ||
Softening point | ASTM E 28 | 115°C |
Lap shear | ASTM D 1002 | 196psi (1.35N/mm2) @23°C (73°F) |
Installed Sleeve | ||
Peel to primer @23°C | ASTM D 1000 | 130N/cm |
Cathodic disbandment | ASTM G 42, 30 days | 8mm @ 65°C (149°F) |
Hot water immersion | ASTM D 870, 120 days @Tmax | no delamination no blisters or water ingress |
Resistance to thermal ageing | EN 12068, Class C 80 | |
Low temperature flexibility | ASTM D 2671-C | -65°C |
Impact resistance | ASTM G 14 | 66 in-lbs |
Penetration resistance | ASTM G 17, | no holidays @10KV |
Holiday detection at 5 kV/ mm + 5 kV | EN 12068 ,Class C | no holiday |
Epoxy Primer | ||
Specific Gravity @ 23℃-A | ASTM D1963 | ≥ 1.5 |
Shelf life | - | 2 Years |
Color(Mixed) | - | Black |