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BS EN ISO 12944-4 : 2017

M00014636

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BS EN ISO 12944-4 : 2017

PAINTS AND VARNISHES - CORROSION PROTECTION OF STEEL STRUCTURES BY PROTECTIVE PAINT SYSTEMS - PART 4: TYPES OF SURFACE AND SURFACE PREPARATION

British Standards Institution

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Table of Contents

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 General
5 Types of surface to be prepared
6 Surface preparation methods
7 Surface preparation grades
8 Surface profile (roughness) and
   surface profile grading
9 Assessment of prepared surfaces
10 Temporary protection of prepared
   surfaces from corrosion and/or contamination
11 Preparation of temporarily or partly
   protected surfaces before application of
   further coatings
12 Preparation of hot-dip-galvanized surfaces
13 Preparation of thermally sprayed metal
   (zinc and aluminium) surfaces
14 Preparation of zinc-electroplated and
   sherardized surfaces
15 Preparation of other coated surfaces
16 Recommendations regarding pollution
   and the environment
17 Health and safety
Annex A (normative) - Standard preparation
        grades for primary (overall) surface preparation
Annex B (normative) - Standard preparation
        grades for secondary (partial) surface preparation
Annex C (informative) - Procedures for removal of
        extraneous layers and foreign matter, native layers
        and contaminants
Bibliography

Abstract

Defines two methods for the determination of particle density of soils calculated from the mass and the volume of soil particles.

General Product Information

Document Type Standard
Status Current
Publisher British Standards Institution
Committee STI/27