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FZ/T 54066-2025Cationic dyeable modified polyester pre-oriented yarn (English PDF)

阳离子染料可染改性涤纶预取向丝

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Issued by

Ministry of Industry and Information Technology

Level / Type

National · Recommended

Issue date

December 17, 2025

Implementation date

January 1, 2028

Scope

FZ/T 54066-2025 is the English-translated version of 阳离子染料可染改性涤纶预取向丝.

FZ/T 54066-2025 — This standard specifies the classification and identification, technical requirements, inspection rules, marking, packaging, transportation and storage of cationic dyeable modified polyester pre-oriented yarn, and describes the test methods.

This standard is applicable to modified polyester pre-oriented yarns with a nominal linear density of 45.0dtex to 1000.0dtex, a single filament linear density of 0.5dtex to 10.0dtex, and circular cross-sections that can be dyed with cationic dyes. Other specifications and types of cationic dyes can be dyed.

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Document preview — FZ/T 54066-2025

National Standard of the People's Republic of China

ICS: 59.060.20
Classification: W 52
Replacing: FZ/T 54066-2013

Issued by: Ministry of Industry and Information Technology

What this standard covers1
Document data2

What this standard covers

This standard specifies the classification and identification, technical requirements, inspection rules, marking, packaging, transportation and storage of cationic dyeable modified polyester pre-oriented yarn, and describes the test methods. This standard is applicable to modified polyester pre-oriented yarns with a nominal linear density of 45.0dtex to 1000.0dtex, a single filament linear density of 0.5dtex to 10.0dtex, and circular cross-sections that can be dyed with cationic dyes. Other specifications and types of cationic dyes can be dyed. Modified polyester pre-oriented yarn can be used as a reference.

Document data

International classification (ICS): 59.060.20.

Chinese classification (CCS): W52.

Estimated length of the Chinese original: 9,962 words.

Supersedes the earlier edition FZ/T 54066-2013.

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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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