Polyethylene Bitumen Tapes ( T 600)
ⅠSystem description:
The XUNDA-T600 series is Cold applied tape coating system for corrosion protection of Oil, Gas, Petrochemical, Waste Water underground or overhead pipelines and waterproofing.
The Bitumen tape shall be applied after the primer by hand or with a wrapping machine
II Structure
The specification of the tape consists of three layers,
Adhesive:Butyl rubber Bituminous Compound and Adhesion Promoting Resins
Film backing:Special blend of stabilized polyolefines
Interleaf:Antiadhesive Film Treated with Silicone
ⅢFeatures:
Heavy duty butyl bitumen compound adhesive
Excellent adhesion to pipe and self
Flexibility provides extra protection at vulnerable areas
Excellent conformability and consistent uniform thickness
Easily applied with no special equipment
Compatible with common pipe coatings
Excellent resistance to cathodic disbonding
Resistant to UV
Can be applied over a wide temperature range
Good conformability and consistent uniform thickness
Cold applied
ⅣPhysical Properties
Polyethylene Bitumen Tape XUNDA-T600 Series
|
PHYSICAL PROPERPTIES
|
UNIT
|
TEST METHOD
|
TYPICAL VALUES
|
|
Total thickness
|
mil
|
ASTM D 1000
|
40mils
|
50mils
|
60mils
|
65mils
|
|
Tensile Strength
|
lb/in
|
ASTM D 1000
|
30(5kg/cm)
|
35(6.3kg/cm)
|
39(7kg/cm)
|
42(7.5kg/cm)
|
|
Elongation
|
%
|
ASTM D 1000
|
400
|
400
|
450
|
500
|
|
Length
|
|
|
10 m - 100 m
|
|
Width
|
|
|
50 mm-800 mm
|
|
Peel adhesion
To primed pipe
|
oz/in
|
ASTM D 1000
|
269(3kg/cm)
|
296(3.3kg/cm)
|
314 (3.5kg/cm)
|
340(3.8kg/cm)
|
|
To backing
|
oz/in
|
ASTM D 1000
|
90(1kg/cm)
|
90(1kg/cm)
|
117(1.3kg/cm)
|
135(1.5kg/cm)
|
|
Dielectric Strength
|
KV/mm
|
ASTM D 1000
|
42
|
42.6
|
43
|
43.8
|
|
Volume Resistivity
|
ohm·m
|
ASTM D 257
|
2.5 X 1012
|
2.5 X 1012
|
2.5 X 1012
|
2.5 X 1012
|
|
Water Vapor Transmission Rate
|
g/ m2 /24h
|
ASTM E 96
|
0.06
|
0.05
|
0.03
|
0.02
|
|
Water Absorptivity
|
%
|
ASTM D 570
|
0.1
|
0.1
|
0.1
|
0.1
|
|
Application Temperature
|
F
|
|
-31-+160 (-35-+70℃)
|
|
Max service temperature
|
F
|
|
-40-+176 (-40-+80℃)
|
