ДСТУ EN ISO 9227:2022 Испытание на коррозию в искусственной атмосфере. Испытание солевым туманом (EN ISO 9227:2017, IDT; ISO 9227:2017, IDT)



ДСТУ EN ISO 9227:2022
(EN ISO 9227:2017, IDT; ISO 9227:2017, IDT)

Випробування на корозію в штучній атмосфері.
Випробування сольовим туманом

 
   
 
 
     
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

Foreword

Introduction

1 Scope

2 Normative references

3 Terms and definitions

4 Principle

5 Test solutions

5.1 Preparation of the sodium chloride solution

5.2 pH adjustment

5.3 Filtration

6 Apparatus

6.1 Component protection

6.2 Spray cabinet

6.3 Heater and temperature control

6.4 Spraying device

6.5 Collecting devices

6.6 Re-use

7 Method for evaluating cabinet corrosivity

7.1 General

7.2 Reference specimens

7.3 Arrangement of the reference specimens

7.4 Determination of mass loss (mass per area)

7.5 Satisfactory performance of cabinet

8 Test specimens

9 Arrangement of the test specimens

10 Operating conditions

11 Duration of tests

12 Treatment of test specimens after test

12.1 General

12.2 Non-organic coated test specimens: metallic and/or inorganic coated

12.3 Organic coated test specimens

13 Evaluation of results

14 Test report

Annex A (informative) Example schematic diagram of one possible design of spray cabinet with means for optional treating fog exhaust and drain

Annex В (informative) Complementary method for evaluating cabinet corrosivity using zinc reference specimens

Annex C (normative) Preparation of specimens with organic coatings for testing

Annex D (normative) Required supplementary information for testing test specimens with organic coatings

Bibliography