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BS EN 17138:2018:2019 Edition

BS EN 17138:2018:2019 Edition

$198.66

Conservation of Cultural Heritage. Methods and materials for cleaning porous inorganic materials

Published By Publication Date Number of Pages
BSI 2019 64
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This document provides the guidelines for the choice of the operational cleaning technical specifications in order to optimize the cleaning operation. The fundamental requirements for each specific cleaning method are given as to adapt cleaning works for single specific cases. The objective of cleaning may consist of removal of any combination of unwanted materials, such as: degraded protective coatings, surface or near-surface materials, which constitute a present or future threat to conservation, materials which prevent legibility of the object or are disfiguring by nature, deposits which are judged to be incompatible to the historical nature of the object.

PDF Catalog

PDF Pages PDF Title
2 National foreword
5 European foreword
6 Introduction
7 1 Scope
2 Normative references
3 Terms and definitions
9 4 Requirements and general considerations affecting cleaning decisions
10 5 Preliminary investigation to optimize cleaning selection process
5.1 Preliminary survey
11 5.2 Identification of substrate and characterization of unwanted materials
12 6 Selection of cleaning methods
13 7 Trial cleaning areas
8 Cleaning methods
8.1 Water cleaning
8.1.1 General
14 8.1.2 Nebulous spray or intermittent mist spray
16 8.1.3 Water spray at low pressure
17 8.1.4 Injection extraction cleaning
18 8.1.5 Steam cleaning
20 8.1.6 Aqueous poultices or packs with absorbent material
22 8.2 Mechanical cleaning
8.2.1 General
23 8.2.2 Abrasive cleaning
28 8.2.3 Peeling systems
29 8.3 Chemical cleaning
8.3.1 General
30 8.3.2 Application of organic solvents
31 8.3.3 Application of acidic or alkaline solutions
33 8.3.4 Application of chelating agents
34 8.3.5 Application of surfactants
35 8.3.6 Application of ion exchange resins
37 8.3.7 Biocide treatments
40 8.3.8 Biocleaning
42 8.4 Physical cleaning
8.4.1 Laser cleaning (see also EN 16782)
45 Annex A (informative) Aqueous poultices
48 Annex B (informative) Abrasive materials and use parameters
49 Annex C (informative) Solubility parameters of organic solvents
53 Annex D (informative) Alkaline and acid substances
55 Annex E (informative) Chelation and chelating agents
57 Annex F (informative) Surfactants
58 Bibliography

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BS EN 17138:2018
$198.66