GB/T 32684-2025 Active National standards

GB/T 32684-2025 Plastics—Phenolic resins—Determination of free formaldehyde content

GB/T 32684-2025 Plastics—Phenolic resins—Determination of free formaldehyde content

Publish Date: 2025-10-05 Implement Date: 2026-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 32684-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Basic standards and general methods for synthetic resins and plastics

ICS Name: Thermosetting plastics

Publish Date: 2025-10-05

Implement Date: 2026-05-01

Pages: 12 pages

Scope

This document describes the method for determining the free formaldehyde content in phenolic resins (including modified phenolic resins).
This document is applicable to the determination of the free formaldehyde content in phenolic resins (including modified phenolic resins). The results represent only the actual free formaldehyde content in the resin at the time of measurement and are not directly related to the free formaldehyde content during or after the processing of the resin.

Development Information

Word Count: 15 Thousand words Pages: 12 pages

Replace the following standards

GB/T 32684-2016 Plastics—Phenolic resins—Determination of free formaldehyde content

Referenced Standards

GB 3186-1982 Sampling paint products GB/T 3186-2006 Paints, varnishes and raw materials for paints and varnishes—Sampling GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods

Adopt standards

ISO 11402:2004

Related Standards

GB/T 4616-1984 Replaced

GB/T 4616-1984 Phenolic moulding materials—Determination of acetone-soluble matter (apparent resin content of material in the unmoulded state)

Publish Date: 1984-07-30

GB/T 4617-1984 Replaced

GB/T 4617-1984 Phenolic mouldings—Determination of acetone-soluble matter

Publish Date: 1984-07-30

GB/T 5471-1985 Replaced

GB/T 5471-1985 Preparation method for compression moulding of specimens of thermosetting moulding materials

Publish Date: 1985-10-17

GB/T 5472-1985 abolished_transferred

GB/T 5472-1985 Test method for rectangular flow cure properties of thermosetting moulding compounds

Publish Date: 1985-10-17

GB/T 5473-1985 Replaced

GB/T 5473-1985 Phenol-formaldehyde mouldings—Detection of free ammonia

Publish Date: 1985-10-17

GB/T 5474-1985 Replaced

GB/T 5474-1985 Phenol-formaldehyde mouldings—Determination of free ammonia and ammonium compounds—Colorimetric comparison method

Publish Date: 1985-10-17