GB/T 35491-2017Corrosion inhibitor—Volatile corrosion inhibitor (English PDF)
缓蚀剂 气相缓蚀剂
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 29, 2017
Implementation date
July 1, 2018
Scope
GB/T 35491-2017 is the English-translated version of 缓蚀剂 气相缓蚀剂.
GB/T 35491-2017 covers volatile corrosion inhibitors. Clause 1 states that the standard specifies the classification, the requirements, the test methods, the inspection rules and the signs, packaging, transportation and storage of vapor phase inhibitors, and that it applies to vapor corrosion inhibitor products; no exclusions are given.
The document is built as eight clauses, namely scope, normative references, terms and definitions, categories, requirements, test methods, inspection rules and signs, packaging, transportation and storage, with four normative annexes giving the gas phase corrosion inhibition test method A, the gas phase corrosion inhibition test method B, the compatibility test method and the contact corrosion test method.
Clause 3 takes the definitions of GB/T 11372 and adds four of its own: the volatile corrosion inhibitor, which is volatile at room temperature and whose volatile gases inhibit or slow down the atmospheric corrosion of the material; the gas phase corrosion inhibition ability, which is the ability of the inhibitor in the gas phase to prevent metal corrosion; the accelerated consumption of that corrosion inhibition ability under the specified test conditions; and compatibility, meaning that the inhibitor neither corrodes the protected metal material nor has an adverse effect on it.
Clause 2 cites GB/T 191, GB/T 678-2002, GB/T 687-2011, GB/T 699, GB/T 1220, GB/T 3190, GB/T 4437.1, GB/T 5231, GB/T 6682-2008, GB/T 11372, GB/T 11414, GB/T 15723, GB/T 28851 and GB/T 30435.
The draft on the page stops at the end of clause 3, so the requirements and the test methods are not shown. The page gives the standard as a recommended national standard under ICS 71.100.99 and Chinese classification G85, with an estimated 18,171 words, and derives it from National Standards Bulletin 2017 No. 32. It was issued on 29 December 2017 and has applied since 1 July 2018.
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Document preview — GB/T 35491-2017
National Standard of the People's Republic of China
- ICS
- 71.100.99
- Classification
- G 85
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Categories
- 5 Requirements
- 6 test methods
- 7 inspection rules
- 8 logo, packaging, transportation and storage
- Appendix A (Normative) Gas phase corrosion inhibition (A) Test Method
- Appendix B (Normative) Gas phase corrosion inhibition (B) Test Method
- Appendix C (Normative) Compatibility test method
- Appendix D (Normative) Contact corrosion test method
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
1 Scope
This standard specifies the vapor phase inhibitor classifications, requirements, test methods, inspection rules, signs, packaging, transportation and storage.
This standard applies to vapor corrosion inhibitor products.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this document. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 191 Packaging - Pictorial signs
GB/T 678-2002 chemical reagents ethanol (anhydrous ethanol)
GB/T 687-2011 chemical reagents glycerol
GB/T 699 high-quality carbon structural steel
GB/T 1220 stainless steel rod
GB/T 3190 Deformed aluminum and aluminum alloy chemical composition
GB/T 4437.1 aluminum and aluminum alloy extruded tubes - Part 1 seamless tubes
GB/T 5231 processing copper and copper alloy grades and chemical composition
GB/T 6682-2008 Laboratory use specifications and test methods for analysis
GB/T 11372 rust term
GB/T 11414 laboratory glassware bottles
GB/T 15723 laboratory glassware dryer
GB/T 28851 biochemical incubator conditions
GB/T 30435 electric oven and electric blast oven
3 Terms and definitions
GB/T 11372 defined and the following terms and definitions apply to this document.
3.1 Volatile corrosion inhibitor
Volatile at room temperature, and volatile gases can inhibit or slow down the atmospheric corrosion of the material.
3.2 Gas phase corrosion inhibition ability
Vapor phase inhibitor in the gas phase, the ability to prevent metal corrosion.
3.3 Accelerated consumption of vapor corrosion inhibition ability
Vapor phase inhibitor in the specified test conditions to accelerate the consumption of the corrosion inhibition capacity.
3.4 Compatibility
Vapor phase inhibitor on the protected metal material without corrosion, no adverse effects of the nature.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
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Related Standards
GB/T 11372-1989 — Rust prevention terminology
GB/T 11372-2025 — Rust prevention terminology
GB/T 11414-2007 — Laboratory glassware -- Bottles
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