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BS EN 14325:2018 – TC:2020 Edition

$217.84

Tracked Changes. 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 2020 82
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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
46 undefined
51 1 Scope
2 Normative references
52 3 Terms and definitions
53 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
54 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
55 4.4.2.2 Pressure pot end-point determination
4.4.2.3 Hydrostatic head end-point determination
56 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
57 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
58 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
59 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
60 4.11.3 Classification of permeation resistance by cumulative permeation time
61 4.12 Repellency to liquids
62 4.13 Resistance to penetration by liquids
4.14 Resistance to ignition
63 4.15 Resistance to flame
64 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
65 5.5 Seam strength
5.6 Pull strength of joins and assemblages
5.6.1 General
5.6.2 Boots and Gloves (excluding Booties)
66 5.6.3 Body Harness or Belts
5.6.4 Lifelines
5.6.5 Exhalation Valves
67 6 Test report
7 Instructions for use
68 Annex A (informative)Significant technical changes between this document and EN 14325:2004
70 Annex B (normative)Abrasive paper
B.1 Quality of materials
B.1.1 Abrasive
B.1.2 Backing
B.1.3 Adhesive
71 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
72 C.3 Uncertainty of measurement
C.4 Classification of results
73 Annex D (normative)Use of time to cumulative mass for reporting material permeation resistance
D.1 Introduction
D.2 General
74 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
75 D.6 Cumulative permeated mass values as function of toxicity
77 Annex E (normative)Specification for pressure pot and leak-tightness of equipment
E.1 Equipment specification
79 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
BS EN 14325:2018 - TC
$217.84