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HG/T 3688-2025Flaky and high quality potassium hydroxide (English PDF)

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Issued by

Ministry of Industry and Information Technology

Level / Type

National · Recommended

Issue date

December 17, 2025

Implementation date

July 1, 2026

Scope

HG/T 3688-2025 (Flaky and high quality potassium hydroxide) is available as an English-translated PDF.

HG/T 3688-2025 — This standard specifies the classification, requirements, test methods, inspection rules, marking, labeling and accompanying documents, packaging, transportation, and storage of high-quality flake potassium hydroxide.

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Document preview — HG/T 3688-2025

National Standard of the People's Republic of China

ICS: 71.060.40
Classification: G 73
Replacing: HG/T 3688-2010

Issued by: Ministry of Industry and Information Technology

What this standard covers1
Document data2

What this standard covers

This standard specifies the classification, requirements, test methods, inspection rules, marking, labeling and accompanying documents, packaging, transportation, and storage of high-quality flake potassium hydroxide. This document applies to high-quality flake potassium hydroxide obtained by electrolysis of refined potassium chloride using an ion-exchange membrane method.

Document data

International classification (ICS): 71.060.40.

Chinese classification (CCS): G73.

Estimated length of the Chinese original: 10,153 words.

Supersedes the earlier edition HG/T 3688-2010.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 7 pages — is available in the English PDF.

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