Volume-II - GAIL

TABLE – 2
S.No Properties Frequency (1)
Applicable Requirement
1 Bond Strength 5 Pipes Para 10.5
2 Impact Strength 3 Pipes Para 10.6
3 Indentation Hardness 5 Pipes Para 10.7
4 Elongation at Failure 3 Pipes Para 5.3.3(iv) & 7.5.2(iv)
5 Cathodic Disbondment 2 Pipes Para 5.3.3(viii) & 7.5.2(v) (2)
6 Degree of Cure 2 Pipes Para 5.3.3(ix) & Para 10.9(i)
7 Coating Resistivety 2 Pipes Para 5.3.3 (v) (3)
8 Heat Ageing 2 Pipes Para 5.3.3 (vi) (3)
9 Light Ageing 2 Pipes Para 5.3.3 (vii) (3)
10 Adhesion 2 Pipes CSA Z 245.20 – 98, Table - 4
1) Test frequency shall be as indicated in this table and the frequency indicated in the
applicable paragraphs of the specific are not applicable.
2) Two tests each on the selected pipes i.e 30 days and 48 hours test shall be carried out
on each test pipe.
3) Previously carried out tests in an independent laboratory of national / international
recognition on PE top coat are also acceptable.
GAIL (INDIA) LIMITED
3 – LAYER POLYETHYLENE
COATING OF LINEPIPES
GAIL-TS-COATING-3LPE
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