GB/T 1771-2007 in English

《GB/T 1771-2007色漆和清漆 耐中性盐雾性能的测定》由TC5（全国涂料和颜料标准化技术委员会）归口，主管部门为中国石油和化学工业联合会。
本标准规定了测定涂层耐中性盐雾性能的方法。
本标准所规定的方法可以作为色漆或涂料体系质量的检测手段。

1 Scope

This standard describes a method for determining the resistance of coatings to neutral salt spray (fog).
The method specified in this standard can be used to detect the mass of paints or coatings.

2 Normative References

The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments to (excluding amending errors in the text), or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest edition of the normative document is applicable. For undated references, the latest edition of the normative document applies.
GB/T 3186-2006 Paints, Varnishes and Raw Materials for Paints and Varnishes - Sampling (ISO 15528:2000, IDT)
GB/T 6682 Water for Analytical Laboratory Use - Specification and Test Methods (GB/T 6682-1992, neq ISO 3696:1987)
GB/T 9271 Paints and Varnishes - Standard Panels for Testing (GB/T 9271-1988, eqv ISO 1514:1984)
GB 9278 Temperatures and Humidities for Conditioning and Testing of Paint Specimens (GB 9278-1988, eqv ISO 3270:1984, Paints and Varnishes and Their Raw Materials - Temperatures and Humidities for Conditioning and Testing)
GB/T 13452.2 Paints and Varnishes - Determination of Film Thickness (GB/T 13452.2-1992, eqv ISO 2808:1974)
GB/T 20777-2006 Paints and Varnishes - Examination and Preparation of Samples for Testing (ISO 1513:1992, IDT)
ISO 3574:1999 Cold-reduced Carbon Steel Sheet of Commercial and Drawing Qualities
ISO 4628-1:2003 Paints and Varnishes - Evaluation of Degradation of Paint Coatings - Designation of Intensity, Quantity and Size of Common Types of Defect - Part 1: General Principles and Rating Schemes
ISO 4628-2:2003 Paints and Varnishes - Evaluation of Degradation of Paint Coatings - Designation of Intensity, Quantity and Size of Common Types of Defect - Part 2: Designation of Degree of Blistering
ISO 4628-3:2003 Paints and Varnishes - Evaluation of Degradation of Paint Coatings - Designation of Intensity, Quantity and Size of Common Types of Defect - Part 3: Designation of Degree of Rusting
ISO 4628-4:2003 Evaluation of Degradation of Paint Coatings - Designation of Intensity, Quantity and Size of Common Types of Defect - Part 4: Designation of Degree of Cracking
ISO 4628-5:2003 Evaluation of Degradation of Paint Coatings - Designation of Intensity, Quantity and Size of Common Types of Defect - Part 5: Designation of Degree of Flaking

3 Principle

A coated test panel is exposed to neutral salt spray (fog) and the effects of exposure are evaluated by principles or criteria agreed in advance between the interested parties.

Foreword I
1 Scope
2 Normative References
3 Principle
4 Required Supplementary Information
5 Test Solution
6 Apparatus
7 Sampling
8 Test Panels
9 Method of Exposure of Test Panels
10 Operating Conditions
11 Procedure
12 Examination of Test Panels
13 Precision
14 Test Report
Appendix A (Normative) Required Supplementary Information
Appendix B (Normative) Factors to Be Taken into Account in the Design and Construction of Salt Spray Cabinets Greater than 2m3 in Volume (See 6.1)
Appendix C (Normative) Calibration of the Apparatus (See 6.7)