PE Cross-Linked Anti-Corrosion Coating Material for Steel Pipe Field Joint

Product Description

PE Cross-Linked anti corrosion coating for steel pipe joint
PE heat shrinkable sleeve is composed of cross-linked polyethylene back and special heat melt adhesive. Heat melt adhesive has good bonding with PE back, steel pipe and Fusion bonded epoxy (FBE layer). By heating PE back shrinks, adhesive layer melts, and closely wraps around pipe joints, then it forms together with FBE a firm and continuous anti-corrosion body. It is resistant to corrosion, wear, impact, UV and aging, easier to be operated.

Application area:
It is mainly used for wrapping around pipe, anti-corrosion of kinds of pipe joints, and repairing pipes.
For example: Oil and gas pipe, PU insulation pipe, 3PE/2PE steel pipe.
Feature of our heat shrinkable sleeve:
1.fast shrinkage speed,
2.good waterproof performance,
3 good anti-corrosive performance,
4.long service life
5.using pure PE material and imported adhesive for ensuring the quality
Executive Standard
Products comply with national and international standards GB/T23257-2009, SY/T4054-2003, EN12068, DIN30672 etc.
TECHNICAL PARAMETERS

NO	Text Item			Unit	Performance	Text Result	Text Method
Back Material
1	Tensile Strength			MPa	≥17	19.47	ASTM D638
2	Elongation			%	≥400	626	ASTM D638
3	Vicat Softening Point			ºC	≥90	92	ASTM D1525
4	Brittleness Temperature			ºC	<-65	<-65	ASTM D2671C
5	Dielectric Strength			MV/m	≥25	33.13	ASTM D149
6	Volume Resistivity			Ω.m	≥1*1013	1.1*1013	ASTM D257
7	Environment Stress Crack			h	≥1000	>1000	GB/T1842
8	Chemical resistance	10% HCI	Tensile strength	MPa	≥85	104.9	ASTM D638
			Elongation	%	≥85	96.3	ASTM D638
		10% NaAH	Tensile strength	MPa	≥85	102.1	ASTM D638
			Elongation	%	≥85	95.6	ASTM D638
		10% NaCL	Tensile strength	MPa	≥85	108.3	ASTM D638
			Elongation	%	≥85	94.1	ASTM D638
9	Thermal aging (150ºC,168h)		Tensile strength	MPa	≥14	20.7	ASTM D638
			Elongation	%	≥300	630	ASTM D638

NO.	Text Item		Uni	Performance	Text Result	Text Method
Adhesive
1	Softening Point		ºC	≥90	90.1	ASTM E28
2	Brittleness Temperature		ºC	<-15	<-15	ASTM D2671C
3	Lap Shear		MPa	≥1.0	1.5	ASTM D1002
4	Peel Strength (23±2ºC	Steel	N/cm	≥70	145.6	ASTM D1000
		Primer	N/cm	≥70	205.9	ASTM D1000
		PE layer	N/cm	≥70	190.0	ASTM D1000
Non-solvent Epoxy Primer
5	Shear of cured primer		MPa	≥5.0	12	SY/T0041

Application

Heat shrinkable sleeve for Oil & Gas Pipe
Heat shrinkable sleeve forThermo Insulated Pipe
Heat shrinkable sleeve for sewer pipe
Specification of heat shrinkable sleeve for underground buried steel pipe and insulated pipe

No.	Size, mm	Length, mm	Patch
			Length, mm	Width, mm
1	Ф159*500	670	500	80
2	Ф219*500	860		100
3	Ф273*500	1000		100
4	Ф325*500	1200		100
5	Ф355*500	1300		100
6	Ф406*500	1460		120
7	Ф508*500	1800		120
8	Ф610*500	2170		120
9	Ф711*500	2500		150
10	Ф813*500	2880		150
11	Ф1016*500	3480		150
12	Ф1219*500	4120		200
13	Ф1420*500	4780		200

For metal reinforced HDPE corrugated pipe (drainpipe)
Specification of Heat Shrinkable Sleeve for HDPE spiral pipe and metal reinforeced corrugated pipe

Pipe Diameter, mm	Length, mm	Width, mm
DN300	1200	300
DN350	1430	300
DN400	1600	300
DN450	1770	300
DN500	1900	300
DN600	2300	300
DN700	2560	300
DN800	2900	400
DN900	3250	400
DN1000	3600	400
DN1200	4250	400
DN1400	4940	500
DN1500	5290	500
DN1600	5630	500
DN1800	6320	500
DN2000	7010	500
DN2200	7700	500
DN2400	8390	500

Remark: The above is standard size. Production will be according to the buyer's requirements.
Specification of heat shrinkable belt

Width (mm)	Length	Thickness
100	The standard length is 5, 10, 15, 20, 30 meters per roll.	PE layer 1.2mm Hot melt adhesive layer, 0.8mm
150
200
300
450
600

Workshop
Delivery

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