POLYKEN Mechanical Protection outer wrap (PE) with 0.5mm

System description:

The POLYKEN^® 980,955 Pipe Coating Tape is a multilayer system used for the protection of steel

pipelines. POLYKEN^® 1019,1027 Adhesive Primer Liquid Adhesives can be used as primers for this system.

In addition to serving as primers, these liquid adhesives themselves represent an anticorrosion layer and provide

a uniformly smooth contact surface to promote high adhesion of the Coating System to the pipe. They are

designed for machine or brush application and formulated with stress-corrosion cracking inhibitors. The

Anti-Corrosion layer POLYKEN^® 980 Corrosion Protection Tape is engineered to assure a high bond to

the primed surface with excellent conformability characteristics. The mechanical protection layer

POLYKEN^® 955 Outer Tape achieves a complete bond to the POLYKEN^® 980 Inner Wrap Tape inner layer,

providing maximum handling and in-service protection for the coating system. The adhesives in these and all

POLYKEN^® Outer Wrap Tape systems contain proven anti-microbial additives. The POLYKEN^® 980/955 can

also be used for ductile iron pipes, in this case the use of POLYKEN^® 1027 primer is recommended.

Structure of polyethylene outer layer wrapping tape for steel pipe line

The specification of the tape consists of two layers, adhesive layer and film backing

Adhesive: butyl rubber

Film backingr: Special blend of stabilized polyethylene

Features of polyethylene outer layer wrapping tape for steel pipe line

Excellent adhesion to inner-layer tape and self

Resistant to UV

Can be applied over a wide temperature range

Good conformability and consistent uniform thickness

Easily applied with no special equipment

Compatible with common pipe coatings

Excellent resistance to cathodic disbonding

Meets ASTM D 1000 Standard

Cold applied

Product Properties	Test method	Typical Value
		POLYKEN 955-15	POLYKEN 955-20	POLYKEN 955-25	POLYKEN 955-30
Total Thickness		15mil(0.381mm)	20mil(0.508mm)	25mil(0.635mm)	30mil(0.762mm)
Backing of PE film		10mils(0.254 mm)	15mil(0.381mm)	20mil(0.508mm)	25mil(0.635mm)
Butyl Rubber Adhesive		5 mils(0.127 mm)	5mil(0.127mm)	5mil(0.127mm)	5mil(0.127mm)
Tensile Strength	ASTM D1000	50N/cm	60N/cm	70 N/cm	80 N/cm
Elongation	ASTM D1000	300%	350%	350%	450%
Peel Adhesion to Primed Steel	ASTM D1000	24 N/cm	25 N/cm	26.5 N/cm	33 N/cm
Water Vapor Transmission Rate	ASTM E 96	0.10g/m2	0.10g/m2	0.08g/m2	0.06g/m2
Water absorption after 1 day,At+23℃	ASTM D570	0.10%	0.10%	0. 08%	0. 06%
Volume Resistivity	ASTM D 257	2.0 x 1015 ohm.cm	2.5 x 1015 ohm.cm	2.6 x 1015 ohm.cm	2.6 x 1015 ohm.cm
Dielectric Strength	ASTM D149	30 kv	36 kv	43 kV	45 kV

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Product Categories : Polyken Pipe Coating System > Polyken 955 (Outer Wrap)