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BS EN 14325:2018

BS EN 14325:2018

$167.15

Protective clothing against chemicals. Test methods and performance classification of chemical protective clothing materials, seams, joins and assemblages

Published By Publication Date Number of Pages
BSI 2018 38
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This European Standard specifies the performance classification and test methods for materials used in chemical protective clothing, including gloves and footwear. The gloves and boots should have the same chemical protective barrier requirements as the fabric when an integral part of the clothing. This is a reference standard to which chemical protective clothing performance standards may refer in whole or in part, but this standard is not exhaustive in the sense that product standards may well require testing according to test method standards which are not included in this standard. While these performance levels are intended to relate to the usage to which the chemical protective clothing is to be put, it is essential that the chemical protective clothing manufacturer or supplier indicate the intended use of the protective clothing and that the user (specifier) carries out a risk assessment in order to establish the correct performance level for the intended task.

PDF Catalog

PDF Pages PDF Title
2 undefined
7 1 Scope
2 Normative references
8 3 Terms and definitions
9 4 Performance classification of materials
4.1 Determination of property value for performance classification
4.2 Pre-treatment
4.2.1 Pre-treatment by cleaning and disinfection
10 4.2.2 Pre-treatment by abrasion
4.2.3 Pre-treatment by flexing
4.3 Conditioning
4.4 Abrasion resistance
4.4.1 General
4.4.2 Determination of the highest number of abrasion rubs which does not cause damage to the material and which shall be used for the performance classification
4.4.2.1 General
11 4.4.2.2 Pressure pot end-point determination
4.4.2.3 Hydrostatic head end-point determination
12 4.4.2.4 Visual inspection end-point determination
4.5 Compression-folding (Schildknecht) flex cracking resistance
4.5.1 General
4.5.2 Determination of the highest number of flexing cycles which does not cause damage to the material and which shall be used for the performance classification
4.5.2.1 General
13 4.5.2.2 Pressure pot end-point determination
4.5.2.3 Hydrostatic head end-point determination
4.5.2.4 Visual inspection end-point determination
14 4.6 Compression-folding (Schildknecht) flex cracking resistance at –30 °C
4.7 Trapezoidal tear resistance
4.8 Bursting resistance – deleted requirement
4.9 Tensile strength
15 4.10 Puncture resistance
4.11 Resistance to permeation by chemicals
4.11.1 General
4.11.2 Classification of permeation resistance by breakthrough time
16 4.11.3 Classification of permeation resistance by cumulative permeation time
17 4.12 Repellency to liquids
18 4.13 Resistance to penetration by liquids
4.14 Resistance to ignition
19 4.15 Resistance to flame
20 5 Performance requirements for seams, joins and assemblages
5.1 Determination of property value for rating and classification
5.2 Pre-conditioning
5.3 Conditioning
5.4 Resistance to liquids
5.4.1 General
5.4.2 Resistance to penetration
5.4.3 Resistance to permeation
21 5.5 Seam strength
5.6 Pull strength of joins and assemblages
5.6.1 General
5.6.2 Boots and Gloves (excluding Booties)
22 5.6.3 Body Harness or Belts
5.6.4 Lifelines
5.6.5 Exhalation Valves
23 6 Test report
7 Instructions for use
24 Annex A (informative)Significant technical changes between this document and EN 14325:2004
26 Annex B (normative)Abrasive paper
B.1 Quality of materials
B.1.1 Abrasive
B.1.2 Backing
B.1.3 Adhesive
27 Annex C (normative)Assessment, evaluation and determination of the property values for rating and for performance classification
C.1 Expression of results
C.2 Outlying data
28 C.3 Uncertainty of measurement
C.4 Classification of results
29 Annex D (normative)Use of time to cumulative mass for reporting material permeation resistance
D.1 Introduction
D.2 General
30 D.3 Basis for classification system
D.4 Alternative cumulative permeated mass
D.5 Conversion from permeation breakthrough time classification to classification by time to cumulative permeated mass
31 D.6 Cumulative permeated mass values as function of toxicity
33 Annex E (normative)Specification for pressure pot and leak-tightness of equipment
E.1 Equipment specification
35 E.2 Volume of pressure pot and apparatus
E.2.1 For flexcracking specimens
E.2.2 For abrasion specimens
E.3 Leak tightness test

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BS EN 14325:2018
$167.15