Dasheng heat shrinkable material,heat shrink manufacturer,heat shrink supplier

Product description:For corrosion protection of oil, gas, petrochemical, and waste water underground or overhead pipelines.

Construction: Three-layer system

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

Second layer: High shear strength copolymer adhesive.

Third layer: Thick, fiberglass reinforced, radiation cross-linked polyethylene.

Product features/benefits:

Product selection guide:

• Different mechanical classes
Provides options to the customer and allows cost savings.
• Highly flexible
Easy to apply at both low or high temperatures & on pipes of small diameter.
• Compatible with varying pipe diameters
Minimizes inventory, thus saving money.
• Self-tensioning, heat-shrinkable backing
Easy to use. Saves time.
• No special equipment required
Keeps installation costs low.

Max operating temperature	70℃
Compatible line coatings	PE, FBE, PP
Min preheat temperature	75℃
Recommended pipe preparation	Sa2.5, St3.0
Performance	SY/T 0413-2002 En12068

Product properties

Property	Test Method	Typical Value
Backing
Tensile Strength	ASTM D638	2500psi
Ultimate Elongation	ASTM D638	500%
Volume Resistivity	ASTM D257	1x 1016 Ω-cm
Dielectric Strength	ASTM D149	25kV/mm
Water Absorption	ASTM D570	< 0.05% (Wt)
Adhesive
Softening Point	ASTM E28	>78ºC
Lap Shear	ASTM D1002	200 N/cm²@23ºC
Installed Product
Peel Strength	DIN EN 12068	65 N/cm @ 23ºC
Impact Resistance	DIN EN 12068	> 15 J
Cathodic Disbandment	DIN EN 12068	< 15mm rad.

Ordering information:

WT type products are available: • as a roll (closure patches included)
Example:	WT150*25000-1.2/0.8
WT	Product type
150	Tape width in mm
25000	Tape length in mm
1.2	Backing thickness in mm
0.8	Adhesive thickness in mm

Disclaimer:

All information contained in this technical data sheet is to be used as a guide and is subject to change without notice. Products can be produced according to given specification. Please contact us for further information and confirmation.