Specific Gravity Test Method

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Effective from 02.11.2007

Acceptance test format Number SIF 0702 Version 3

XVIII. SPECIFIC GRAVITY TEST OF SHEATH & CORE INSULATION (Cl.5.10.12): Date of Test: 4/15/2008 Specified Values: for Sheath: 1.50 (Max.), For Core Insulation:1.42 (Max) Ambient Temp:. 25.5°C RH: 43% Liquid used:DISTILLED WATER Weight of thread(W 1): 0.0758

S.No.

1

2

3

Drum No.

Specimen

DN Red Core 5577 Yellow Core Blue core Black core Grey core - 5 Inner sheath Outer sheath Red Core Yellow Core Blue core Black core Grey core Inner sheath Outer sheath Red Core Yellow Core Blue core Black core Grey core Inner sheath Outer sheath

Weight of sample in air (gms.) W2

Weight (sample + thread) in liquid (gms.) W3

Weight of sample in liquid (gms.) W4 = ( W3 - W1 )

W5 = W2 - W4

gms

Specific Gravity (W 2 / W 5)

(gms.)

1

2

1

2

1

2

1

2

1

2

2.24

-

0.56

-

0.48

-

1.75

-

1.28

-

4.01 3.26

1.29 1.04

1.2150 0.9667

2.8 2.29

1.43 1.42

Result (OK / Not OK)

OK OK OK

Sig. of RDSO inspecting official: