ISO 15025:2016
Protective clothing — Protection against flame — Method of test for limited flame spread
ISO 15025:2016 specifies two procedures (surface ignition and bottom-edge ignition) for determining flame spread properties of vertically oriented flexible materials in the form of single or multicomponent fabrics (coated, quilted, multilayered, sandwich constructions and similar combinations), when subjected to a small defined flame. This test standard does not apply to situations where there is restricted air supply or exposure to large sources of intense heat, for which other test methods are more appropriate.
This test method is not appropriate for materials that demonstrate extensive melting or shrinkage.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Health and safety of test operators
6 Fuel
7 Apparatus
8 Sampling and sample preparation
8.1 Sampling
8.1.1 Number of specimens
8.1.2 Specimen-holder pin location marks
8.1.3 Test specimen size
8.1.4 Multilayer specimens (including trim)
8.1.5 Seams
8.2 Conditioning atmosphere of the test sample
9 Procedure
9.1 Installation of the test apparatus
9.1.1 Test conditions
9.1.2 Procedure A — Surface ignition
9.1.3 Procedure B — Bottom-edge ignition
9.1.4 Detection of flaming debris
9.2 Test procedure
9.2.1 Procedure A — Surface ignition
9.2.2 Procedure B — Bottom-edge ignition
10 Test report
Annex A (normative) Description and construction of the burner
Annex B (informative) Laboratory techniques
Annex C (normative) Measurement of damaged/char length
Annex D (informative) Precision and results of interlaboratory trials
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Health and safety of test operators
6 Fuel
7 Apparatus
8 Sampling and sample preparation
8.1 Sampling
8.1.1 Number of specimens
8.1.2 Specimen-holder pin location marks
8.1.3 Test specimen size
8.1.4 Multilayer specimens (including trim)
8.1.5 Seams
8.2 Conditioning atmosphere of the test sample
9 Procedure
9.1 Installation of the test apparatus
9.1.1 Test conditions
9.1.2 Procedure A — Surface ignition
9.1.3 Procedure B — Bottom-edge ignition
9.1.4 Detection of flaming debris
9.2 Test procedure
9.2.1 Procedure A — Surface ignition
9.2.2 Procedure B — Bottom-edge ignition
10 Test report
Annex A (normative) Description and construction of the burner
Annex B (informative) Laboratory techniques
Annex C (normative) Measurement of damaged/char length
Annex D (informative) Precision and results of interlaboratory trials
Bibliography