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TRSA-1013/C/1/3

P1-P3P4-P6P7-P7
RK 6743 Revision 4
Page 4 of 7
Date Printed 31-Mar-14
If this document is printed it becomes uncontrolled. Check latest revision in DMTEC /Intranet on the nearest PC
TEST METHODS (Cont’d)
3.11
Copper Contact Corrosion
The test method shall be as specified in ASTM D2671.
The specimens shall be conditioned in a fan assisted air circulating oven as specified in
Table 1, allowed to cool naturally to room temperature and tested for Ultimate Elongation
according to Clause 3.3.
3.12
Copper Mirror Corrosion
The test method shall be as specified in ASTM D2671.
The specimens shall be conditioned as specified in Table 1.
3.13
Water Absorption
The test method shall be as specified in Method 1 of ISO 62.
Three tubular specimens 50mm long shall be cut from the sleeving.
3.14
Fluid Resistance
The test method shall be as specified in ISO 1817.
Five tensile test specimens prepared as in Clause 3.3. shall be completely immersed in each of
the fluids for the times and temperatures specified in Table 1. The volume of the fluid shall not
be less than 20 times that of the specimen. After immersion, lightly wipe the specimens and
allow to air dry at 23 ± 2°C for 1h ± 15m. The Tensile Strength and Ultimate Elongation of
each specimen shall be tested according to Clause 3.3. The test shall be repeated on the
remaining specified fluids.
3.15
Fungus Resistance
The test method shall be as specified in ISO 846.
The specimens shall be conditioned for 56 days, and tested for Tensile Strength and Ultimate
Elongation according to Clause 3.3.
RK 6743 Revision 4
Page 5 of 7
Date Printed 31-Mar-14
If this document is printed it becomes uncontrolled. Check latest revision in DMTEC /Intranet on the nearest PC
4.
RELATED STANDARDS & issue
ASTM D876-00
Standard Test Methods for Nonrigid Vinyl Chloride Polymer Tubing
Used for Electrical Insulation
ASTM D882-02
Standard Test Methods for Tensile Properties of Thin Plastic Sheeting
ASTM D2671-00
Standard Test Methods for Heat-Shrinkable Tubing for Electrical Use
IEC 60212: 1971
Standard Conditions for Use Prior to and During Testing of Solid
Electrical Insulating Materials
IEC 60243-1: 1998
Methods of Test for Electric Strength of Solid Insulating Materials Part
1 Tests at Power Frequencies
ISO 37: 1994
Rubber, vulcanized or thermoplastic - Determination of Tensile Stress-
Strain Properties
ISO 62: 1999
Determination of Water Absorption
ISO 188: 1998
Rubber, vulcanized - Accelerated Ageing or Heat Resistance Tests.
ISO 846: 1997
Plastics - Evaluation of the action of microorganisms.
ISO 1183: 1987
Methods for determining the density and relative density of non-
cellular plastics
ISO 1817: 1999
Rubber, vulcanized - Determination of the effect of liquids
Subsequent amendments to, or revisions of, any of the above publications apply to this
standard only when incorporated in it by updating or revision.
5.
SAMPLING
Tests shall be carried out on a sample taken at random from each batch of finished sleeving.
A batch of sleeving is defined as that quantity of sleeving extruded at any one time.
Testing frequency shall be Production Routine, 10th Batch or Qualification. Production Routine
tests consisting of Visual Examination, Dimensions and Longitudinal Change shall be carried
out on every batch of sleeving. 10th batch tests shall consist of Tensile Strength, Ultimate
Elongation, Secant Modulus at 2% Strain and Specific Gravity.
Qualification tests shall be carried out to the requirements of the Design Authority.
6.
PACKAGING
Packaging shall be in accordance with good commercial practice. Each package shall bear an
identification label showing material quantity, description, size, colour and batch number.
Additional information shall be supplied as specified in the contract or order.
RK 6743 Revision 4
Page 6 of 7
Date Printed 31-Mar-14
If this document is printed it becomes uncontrolled. Check latest revision in DMTEC /Intranet on the nearest PC
TABLE 1 Test Requirements
Test
Test Method
Test Requirements
Visual Examination
-
As per Clause 2.1
Dimensions
ASTM D2671
As per Clause 2.2
Longitudinal Change
ASTM D2671
0 to -10%
Tensile Strength
ISO 37
10 MPa minimum
Ultimate Elongation
ISO 37
250% minimum
Secant Modulus at 2% strain
ASTM D882
100 MPa maximum
Specific Gravity
ISO 1183
1.35 maximum
Heat Shock
(4h 15m at 250 5°C)
ASTM D2671
No dripping, cracking or flowing
Heat Ageing
(168 2h at 175 3°C)
- Ultimate Elongation
ISO 188
ISO 37
150% minimum
Low Temperature Flexibility
(4h 15m at -55 2°C)
ASTM D2671
No cracking
Flammability
ASTM D876
Duration of burning 15s maximum
Electric Strength
IEC 243
20 MV/m minimum
Copper Contact Corrosion
(24 2h on copper mandrel at
90-95% RH, 23 2°C, followed by
168 2h on mandrel at 160 3°C)
- Ultimate Elongation
ASTM D2671
ISO 37
No corrosion of mandrel
200% minimum
Copper Mirror Corrosion
(16h 30m at 175 3°C)
ASTM D2671
No corrosion of mirrors
Water Absorption
(24 2h immersion at 23 2C)
ISO 62
0.5% maximum
P1-P3P4-P6P7-P7

TRSA-1013/C/1/3

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