3LPE coating pipeline field joint Heat Shrink Tubing

Product Overview

Description

             3LPE coating pipeline field joint Heat Shrink Tubing

 

 

 

 

 CYG FRY field joint heat shrink tubing, Tubular HSS which prevent corrosion of pipeline welded joints in distribution lines for sizes up to DN1000. This mechanically strong and flexible sleeve is compatible with all standard pipeline coatings and outer jackets.

 

 

 

 

 

Pipeline field joint Heat Shrink Tubing Construction: Three-layer system

First layer: Liquid epoxy, solvent-free two-component

Second layer: High shear strength copolymer adhesive

Third layer: Radiation cross-linked polyethylene

The FRY heat shrinkable tubular sleeve is mainly applied to provide anticorrosive protection for field welding and insulation mending in buried or aerial. Also it is available to provide sealing and anticorrosive protection for flanged joint and insulated flange.

 

 

 

 

 Pipeline field joint Heat Shrink Tubing Features

 

---High mechanical strength and powerful aging resistance

 

---Good environment stress cracking resistance

 

---Excellent adhesion performance

 

---Convenient to use

 

---Satisfied with special standard or requirements

 

 

 

Pipeline field joint Heat Shrink Tubing Application

 

---Oil & gas pipelines

 

---Water pipelines

 

---Compatible line coating: PE, FBE, Coal Tar

 

Technical Data

 

No.	Item		Unit	Test results	Test Method	Conclusion
1	Tensile strength		MPa	24.6	GB/T 1040.2/ASTM D638	Pass
2	Ultimate Elongation		%	640	GB/T 1040.2/ASTM D638	Pass
3	Electric strength		MV/m	32.3	GB/T 1408.1/ASTM D149	Pass
4	Volume Resistivity		Ω·m	6.05×1013	GB/T 1410/ASTM D257	Pass
5	chemical corrosion resistance 10% HCl (7d) 10% NaOH (7d) 10% NaCl (7d)		% % %	98 98 98	GB/T23257-2009 Appendix H	Pass
6	Heat Aging(150° 21d) (%Elongation)		%	554	GB/T 1040.2/ASTM D638	Pass
7	Heat Shocking (225°,4h)		-	No cracking, flow, or dripping	GB/T23257-2009 L/ASTM D2671 Appendix L/ASTM D2671	Pass
8	Impact Resistance		J	>15	GB/T23257 Appendix k/ ASTM G14	Pass
9	Softening point of adhesive		°	115	GB/T 4507	Pass
10	Lap Shear Strength		KPa	2053(23°)	GB/T 7124/ASTM D1693	Pass
				320(70°)
11	Peel strength	PE/FBE	N/cm	191(23°)	Pass	Pass
				24(70°)
		PE/PE		185(23°)
				23(70°)
		PE/Steel		166(23°)
				22(70°)
12	Cathodic Disbondment		mm	16.5 31.2	ASTM G42 ASTM G8	Pass
13	(70°,120d) Hot-Water Immersion		-	No delamination, blisters,or water under strap	GB/T23257 Appendix N/ASTM B870	Pass
14	Water Absorption		%	0.05	SY/T0447/ASTM B570	Pass
15	Low-Temperature Flexibility		-	-15°Min	ASTM D2671	Pass