GB/T 20974-2025: Rigid phenolic foam for thermal insulation(PF)

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Scope

This document specifies the classification and marking, technical requirements,
inspection rules, labeling, packaging, transportation and storage of rigid phenolic foam
products for thermal insulation, and describes the test methods.
This document applies to the production and inspection of rigid phenolic foam products
for thermal insulation of buildings, equipment and pipelines (hereinafter referred to as
"products").

Basic Data

Standard ID	GB/T 20974-2025 (GB/T20974-2025)
Description (Translated English)	Rigid phenolic foam for thermal insulation(PF)
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	Q25
Classification of International Standard	91.120.10
Word Count Estimation	10,117
Date of Issue	2025-12-31
Date of Implementation	2026-07-01
Older Standard (superseded by this standard)	GB/T 20974-2014
Issuing agency(ies)	State Administration for Market Regulation, Standardization Administration of China