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IEC 60695-2-11 (GB 5169.11) Glow-wire flammability test_Ecosafene <!-reload-!>
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IEC 60695-2-11 (GB 5169.11) Glow-wire flammability test
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IEC 60695-2-11 (GB 5169.11) Glow-wire flammability test for end-products
IEC 60695-2-11 (GB 5169.11) Glow-wire flammability test - Standard
IEC 60695-2-11 (GB 5169.11) Fire hazard testing - Part 2-11: Glowing/hot-wire based test methods — Glow-wire flammability test method for end-products
IEC 60695-2-11 (GB 5169.11) Glow-wire flammability test - Scope
This part of IEC 60695 specifies the details of the glow-wire test to be applied to end-products for fire hazard testing.
For the purpose of this standard, end-product means electrotechnical equipment, its subassemblies, and components.
IEC 60695-2-11 (GB 5169.11) Glow-wire flammability test - Conditioning
If not otherwise specified in the relevant specification, the test specimen and the specified layer to be used is conditioned for 24 h in an atmosphere having a temperature between 15 °C and 35 °C and a relative humidity between 45 % and 75 %
IEC 60695-2-11 (GB 5169.11) Glow-wire flammability test -test method
In addition to clause 8 of IEC 60695-2-10, and, if not otherwise specified, the test specimen shall be so arranged that the tip of the glow-wire is applied to the part of the surface of the test specimen which is likely to be subjected to thermal stresses in normal use. The glow-wire shall be maintained as close to the horizontal as is practicable.
In cases where the test shall be made at more than one point on the same test specimen, care shall be taken that any deterioration caused by previous tests will not affect the result of the test to be made.
In cases where the areas subjected to thermal stresses during normal use of the equipment are not specified in detail, the tip of the glow-wire is applied at a place where the section is thinnest, but preferably not less than 15 mm from the upper edge of the test specimen.
Clamping the test specimen onto the test apparatus shall not introduce excessive internal mechanical stresses in the test specimen during the test.
If not otherwise specified by the relevant specification, the test is made on one test specimen.
IEC 60695-2-11 (GB 5169.11) Glow-wire flammability test - Observations and measurements
During application of the glow-wire (ta), and during a further period of 30 s, the test specimen, the parts surrounding the test specimen and the specified layer placed below it shall be observed and the following shall be reported:
a) the duration (ti) from the beginning of tip application up to the time at which the test specimen or the specified layer placed below it ignites;
b) the duration (te) from the beginning of tip application up to the time when flames extinguish during or after the period of application;
c) the maximum height of any flame rounded up to the next 5 mm but disregarding the start of the ignition, which may produce a high flame for a period of approximately 1 s;
d) if a test specimen passes the test by virtue of most of the flaming material being withdrawn with the glow-wire, then this shall be reported in the test report;
e)any ignition of the specified layer placed underneath the test specimen.
The height of the flame is the vertical distance measured between the upper edge of the glow-wire, when applied to the test specimen, and the visible tip of the flame, when viewed in subdued light.
The mechanical/electrical parameters shall be measured when specified in the relevant specification
IEC 60695-2-11 (GB 5169.11) Glow-wire flammability test - Evaluation of test results
Unless otherwise specified in the relevant specification, the test specimen is considered to have passed the glow-wire test if there is no flaming or glowing, or if all of the following situations apply:
a)if flames or glowing of the test specimen extinguish within 30 s after removal of the glow-wire, i.e. te^ta+ 30 s; and b)when the specified layer of wrapping tissue is used there shall be no ignition of the wrapping tissue.
IEC 60695-2-11 (GB 5169.11) Glow-wire flammability test - relative standards
- IEC 60695-2-12-2000 (GB 5169.12) Fire hazard testing - Part 2-12: Glowing/hot-wire based test methods — Glow-wire flammability test method for materials
- IEC 60695-2-13-2000 (GB 5169.13) Fire hazard testing - Part 2-13: Glowing/hot-wire based test methods — Glow-wire ignitability test method for materials
- UL 94 Test For Flammability of Plastic Materials for Parts in Devices and Appliances
- IEC 60695-11-10 Fire hazard testing - Part 11-10: Test flames -50 W horizontal and vertical flame test methods
- ISO 4589-2:1996＋A1:2005 Plastics - Determination of burning behaviour by oxygen index -- Part 2: ambient-temperature test
- ISO 4589-3:1996 Plastics - Determination of burning behaviour by oxygen index - Part 3: Elevated-temperature test
- ISO 6722:2006 specifies the dimensions, test methods, and requirements for single-core 60 V cables intended for use in road vehicle applications
- ASTM D 2863 Standard Test Method for Measuring the Minimum Oxygen Concentration to Support Candle-Like Combustion of Plastics (Oxygen Index)
Previous：EN ISO 4589-2: Oxygen Index Test to Plastics Material
Next：IEC 60695-2-12 (GB 5169.12) Glow-wire flammability test for materials
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