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CONVOLEX-7/16-0-SP

P1-P3P4-P6P7-P8
RK-6048 Revision 7
Page 4 of 8
Date Printed 18-Jul-12
If this document is printed it becomes uncontrolled. Check latest revision in DMTech on the nearest PC
TEST METHODS (continued)
3.8
Flex Life
Three tubular specimens 600 mm long shall be attached at one end to a 76 mm diameter mandrel
and at the other end to the load weight as specified in Table 2. The specimens shall then be
wound and unwound on the mandrel for 10,000 cycles at a rate of 10 cycles per minute. After
cycling the specimens shall be subjected to the dielectric withstand voltage test as specified in
Clause 3.13.
3.9
Abrasion Resistance
The abrasion resistance shall be determined using equipment similar to that described in
MIL-T-5438. Three tubular specimens shall be tested. Each specimen shall be drawn onto a
mandrel of diameter equal to the nominal inside diameter of the sleeving. The lengths of the
specimens shall be as specified in Table 2. Each specimen in turn shall be abraded with grade
4/0 abrasive tape at a rate of 1.5m per minute under load and of length as specified in Table 2.
After testing each specimen shall be examined visually for holes.
3.10
Low Temperature Flexibility
Three tubular specimens of sufficient length to be wound totally around a cylindrical metal
mandrel of 10 times the outside diameter of the sleeving under test shall be conditioned as
specified in Table 1. While still at the conditioning temperature the specimens shall be wrapped
360° around the mandrel in approximately 30 seconds. Each specimen shall be visually
examined for cracking and after stabilising to room temperature shall be subjected to the
dielectric withstand voltage test as described in Clause 3.13.
3.11
Heat Shock
Three tubular specimens 150mm long shall be suspended vertically in a fan assisted air circulating
oven as specified in Table 1. After conditioning the specimens shall be allowed to cool naturally in
air to ambient temperature and then examined for evidence of splitting, cracking, dripping or flowing.
3.12
Heat Ageing
For sizes 7/16 and smaller, three tubular specimens 150 mm long shall be tested. For sizes
larger than 7/16 three strip specimens 150 mm long and 5 mm wide shall be tested. The
specimens shall be laid on an oven tray and conditioned in a fan assisted air circulating oven as
specified in Table 1. After conditioning the specimens shall be removed, allowed to cool
naturally to room temperature and tested for breaking load and ultimate elongation as described
in Clause 3.3.
RK-6048 Revision 7
Page 5 of 8
Date Printed 18-Jul-12
If this document is printed it becomes uncontrolled. Check latest revision in DMTech on the nearest PC
TEST METHODS (continued)
3.13
Dielectric Withstand Voltage Test
The test method shall be as specified in IEC 60243-1 (proof tests).
A conducting wire shall be inserted through each length of three 600 mm long specimens of
sleeving which shall be formed into a ‘U’ shape. The two wire ends of each specimen shall be
twisted together. The specimens shall then be filled with a 1% salt water solution serving as an
inner electrode and immersed to within 150 mm of their ends in a container of 1% salt water
solution serving as an outer electrode. The specimens shall remain immersed for one hour after
which a potential of 5 kV shall be applied between the electrodes. The potential shall be
gradually increased from zero to 5 kV within approximately 30 seconds and shall be held at that
voltage for one minute.
3.14
Copper Mirror Corrosion
The test method shall be as specified in ASTM D2671.
3.15
Flammability
The test method shall be as specified in ASTM D876.
3.16
Water Absorption
The test method shall be as specified in Method 1 of ISO 62.
3.17
Fluid Resistance
The test method shall be as specified in ISO 1817.
Five 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 Breaking Load and Ultimate Elongation of each
specimen shall be tested according to Clause 3.3. The test shall be repeated on the remaining
specified fluids.
3.18
Fungus Resistance
The test method shall be as specified in ISO 846 Method B.
Specimens shall be conditioned for 56 days followed by testing as per Clause 3.3.
RK-6048 Revision 7
Page 6 of 8
Date Printed 18-Jul-12
If this document is printed it becomes uncontrolled. Check latest revision in DMTech on the nearest PC
4.
RELATED STANDARDS & issue
ASTM D638-03
Test Method For Tensile Properties Of Plastics
ASTM D876-09
Standard Test Methods for Non rigid Vinyl Chloride Polymer Tubing
Used for Electrical Insulation
ASTM D2671-09
Standard Test Methods for Heat-Shrinkable Tubing for Electrical Use
IEC 60243-1: 1998
Electrical Strength Of Insulating Materials - Test Methods -
Tests At Power Frequencies
ISO 62: 2008
Determination of Water Absorption
ISO 846: 1997
Plastics - Evaluation of the action of microorganisms.
ISO 1183-1: 2004
Plastics - Methods For Determining The Density Of Non-Cellular
Plastics - Part 1: Immersion Method, Liquid Pyknometer Method And
Titration Method
ISO 1817: 2005
Rubber, vulcanized - Determination of the effect of liquids
MIL-T-5438
Tester, Abrasion, Electrical Cable
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 or Qualification. Production Routine tests consisting of
Visual Examination, Dimensions, Breaking Load, Ultimate Elongation, Crush Resistance,
Compressive Flexibility and Heat Shock shall be carried out on every batch of sleeving.
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.
P1-P3P4-P6P7-P8

CONVOLEX-7/16-0-SP

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Manufacturer:
Raychem / TE Connectivity
Description:
Spiral Wraps, Sleeves, Tubing & Conduit CONVOLEX-7/16-0-SP PRICED PER FOOT
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