Pipelaying Tender-VOL IV - WorleyParsons.com

REWARI KANPUR PIPELINE
PROJECT
3 LAYER POLYETHYLENE COATING OF
LINEPIPES
DOCUMENT NUMBER
0068-00-SPC-2004
Revision 0
Resistance (ESCR) (for F 50 )
300
"C"]
l
Carbon Black Content
% 2 min. ASTM D 1603
3.2.5 COATING SYSTEM PROPERTIES
Sr.
No.
Properties Unit Requirement Test
Method
a
Bond Strength (using Type 2
Test Assembly i.e.
Dynamometer
@ 20+/-5 ° C
@ 65+/-5°C
Impact Strength
Kg/cm
8.0 min
5.0 min
DIN 30670
b
(Min. of 30 impacts on body
along the length. No
breakdown allowed when
tested at 25 KV)
Joules per mm
of coating
thickness
7 min DIN 30670
c
d
Indentation Hardness
@ 23 +/- 2°C
@ 70 +/- 2°C
Elongation at Failure
0.2 max
mm
DIN 30670
0.3 max
% 300 min. DIN 30670
e
Coating Resistivity (*)
2 8
Ohm - m 10
min.
DIN 30670
Melt Flow Rate
f.
Heat Ageing (*)
_
shall not deviate
by more than 35%
of original value
DIN 30670
0068-FMT-01 Page 8 of 31
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