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  • CNPetro Hitech Co.,LTD
    Ocean Supply And Engineering A
    This is to certify that we have purchased Petrolatum tape and paste through “ Tianjin CNPetro Hitech Co.,LTD (Viscous）” for our Petronas pipeline project in Dec.2021 . We found that the performance of forever Petrolatum tape and paste is very good, and there is no failure of any of these Coating Materials and thus these are effective in our system
  • CNPetro Hitech Co.,LTD
    Isolering og Blikk as
    We purchased Butyl rubber tape from“Tianjin CNPetro Hitech Co.,LTD.from 2020 till now,the products are always arrival on time and without any quality problems.
  • CNPetro Hitech Co.,LTD
    AIC Group
    This is to certify that we have purchased sealing tape and petrol tape from Tianjin CNPetro Hitech Co.,LTD LTD for our Anglo Persian project in June.2022 and always they are very much impressed about timely delivery and quality of the goods for which we are really pleased. For any question on regards our experience with the products, please。
Contact Person : JUAN
Phone Number : 008615903164939
WhatsApp : +8615903164939

Crosslinking Wrap-Arounded Heat Shrinkable Sleeves For Underground Pipe Coating Corrosion Protection

  • Crosslinking Wrap-Arounded Heat Shrinkable Sleeves For Underground Pipe Coating Corrosion Protection
  • Crosslinking Wrap-Arounded Heat Shrinkable Sleeves For Underground Pipe Coating Corrosion Protection
  • Crosslinking Wrap-Arounded Heat Shrinkable Sleeves For Underground Pipe Coating Corrosion Protection
  • Crosslinking Wrap-Arounded Heat Shrinkable Sleeves For Underground Pipe Coating Corrosion Protection
  • Crosslinking Wrap-Arounded Heat Shrinkable Sleeves For Underground Pipe Coating Corrosion Protection
Place of Origin China
Brand Name CNPetro
Certification ISO
Model Number HTLP 60
Minimum Order Quantity 1000 sets
Packaging Details 300*300*320mm

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Product Details
Adhesive Type Hot Melt Adhesive Width 50-1000mm
Peel Adhesion ≥50N/cm Impact Resistance ≥15J
Uv Resistance Yes Adhesion To Steel ≥25N/cm
Backing Type HDPE Temperature Resistance -20°C To 80°C
Color Black Material Cross-linked Polyethylene
Thickness 1.8mm，2.0mm,2.2mm,2.5mm Temperature Range -20℃~80℃
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Product Description

Cross-linked Wrap-around Heat Shrinkable wrap tape

 

General

Cross-linked Wrap-around Heat Shrinkable Sleeve on the weld joint shall be long enough for 24” OD pipe so as to overlap onto the mainline coating by a minimum on each side of the weld joint.

The width of Heat Shrinkable Sleeves shall be 450mm

 

The corrosion Coating is a wrap-around Heat Shrinkable Sleeve, black in color and shall be suitable for an operating temperature of 140ºF in wet conditions.

Sleeve coating

The inner surface of the sleeves shall be coated with a controlled thickness of an adhesive which in combination with the modified Epoxy primer, will bond to and seal to the steel pipe and common yard applied medium temperature yard coatings, such as epoxy.

Backing

The Sleeve and closure backings shall be fabricated from a thermally stabilized, extruded radiation cross-linked heat shrinkable polyethylene. The Backing of the sleeve and closure shall be homogeneous and free from flaws, defects, pinholes, bubbles, cracks and inclusions.

Primer

The primer shall be a solvent free, modified Epoxy type primer, which is applied to cleaned and dry steel surface. When the sleeve coating comes in contact with the liquid primer during installation, a strong bond shall be formed upon full curing time of the system.

 

Sleeve thickness

The Heat Shrinkable Sleeve shall provide mechanical protection to the epoxy layer and shall seal onto the epoxy layer and the adjacent line coating. It shall have the following minimum thickness:

Backing 0.97mm (after full free recovery)

Backing +adhesive 1.60mm as supplied

2.2mm fully recovered

 

First layer Epoxy primer
second layer Hot melt adhesive
Third layer Crosslinking polyethylene

 

Crosslinking Wrap-Arounded Heat Shrinkable Sleeves For Underground Pipe Coating Corrosion Protection 0

 

    Test standard Unit 3PE 65
Adhesive Softening point ASTM E28 ℃(℉) 100
  Lap shear @23℃ EN12068 N/cm2 450
  Lap shear @23℃ EN12068 N/cm2 25
Backing Specific gravity ASTM D792 g/cm3 95
  Tensile strength ASTM D638 MPa (psl) 24
  Elongation ASTM D638 % 550
  Hardness ASTM D2240 Shore D 55
  Abrasion resistance ASTM D 1044 Mg 35
  Volume resistance ASTM D257 Ohm-cm 1017
  Dielectricvoltage breakdown ASTM D149 Kv/mm 27
Sleeves Impact EN12068 J >8
  Indentation EN12068 mm 0.1
  Peel adhesion ASTM D1000 N/cm 120
  Peel adhesion EN12068 N/cm >140
  Cathodic disbondment ASTM G8 Mm rad 3
  Water absorption ASTM D 570 % 0.05
  Low Temp.flexbility ASTM D2671-C ℃(℉) >-32(-26)
  Fully recovered T thickness   Mm(mil) 1.9(77)
  Fully recovered L thickness   Mm(mil) 2.4(96)

 

 Crosslinking Wrap-Arounded Heat Shrinkable Sleeves For Underground Pipe Coating Corrosion Protection 1