HG 2233-1991
T/CPCIF 0225-2022
HG/T 3604-1999
Determination of viscosity number and limiting viscosity number of polyoxymethylene in dilute solution
GB/T 1847-1980
Test method for the viscosity of the dilute solution of polyformaldehyde resin
ISO 1391-5:1981
Paraformaldehyde for industrial use — Methods of test — Determination of aldehyde content — Titrimetric method
ISO 1391-1:1976
Paraformaldehyde for industrial use — Methods of test — Part 1: General
ISO 1391-2:1976
Paraformaldehyde for industrial use — Methods of test — Part 2: Determination of ash
GB/T 5543-2006
Resin finishing agent―Determination total formaldehyde content、free formaldehyde content and methylol formadehyde contend
GB/T 32684-2016
Plastic—Phenolic resins—Determination of free formaldehyde content
GB/T 32461-2015
Determination of formaldehyde in amino resins and phenolic resins and of migration of formaldehyde in their moldings—High performance liquid chromatography
ISO 1391-4:1976
Paraformaldehyde for industrial use — Methods of test — Part 4: Determination of water-insoluble matter
LY/T 1860-2022
Non-formaldehyde thermoplastic resin plywood
ISO 1391-3:1976
Paraformaldehyde for industrial use — Methods of test — Part 3: Determination of iron content — 2,2'- Bipyridyl photometric method
31984D0512
GB/T 27593-2011
Textile dyeing and finishing auxiliaries - Determination of free formaldehyde content of amino resin agent
GB/T 14732-2017
Wood adhesives: urea-formaldehyde, phenol-formaldehyde and melamine-formaldehyde resins
QB/T 4201-2011
Leather chemical-Determination of formaldehyde in resins
T/CPCIF 0351-2024
20231356-T-606
Plastics—Phenolic resins—Determination of free formaldehyde content
SN/T 2813-2011
Food contact materials for export-Polymers-Determination of the extractives from the articles of melamine-formaldehyde,nylon and polycarbonate