GB/T 25254-2022
Poly-(tetra methylene ether glycol)(PTMEG) for industrial use (English Version)

Standard No.
GB/T 25254-2022
Language
Chinese, Available in English version
Release Date
2022
Published By
国家市场监督管理总局、中国国家标准化管理委员会
Latest
GB/T 25254-2022
Replace
GB/T 25254-2010
Scope
This document specifies the classification and naming, technical requirements, test methods, inspection rules, signs and accompanying documents, packaging, transportation and storage of polytetramethylene ether glycol (PTMEG) for industrial use. This document applies to industrial PTMEG produced by polymerization of tetrahydrofuran monomer.

GB/T 25254-2022 Referenced Document

  • GB/T 10247-2008 Methods of viscosity measurement
  • GB/T 21186 Fourier transform infrared spectrometer
  • GB/T 3143 Color determination method of liquid chemicals(Hazen unit--Platinum-cobalt scale)
  • GB/T 4472-2011 Detemination of density and relative density for chemical products
  • GB/T 601 Chemical reagent.Preparations of reference titration solutions
  • GB/T 603 Preparation of preparations and products used in chemical reagent test methods*2023-08-06 Update
  • GB/T 6283 Chemical products.Determination of water Karl.fischer method(general method)
  • GB/T 6678 General principles for sampling chemical products
  • GB/T 6680 General rules for sampling liquid chemical products
  • GB/T 6682 Water for analytical laboratory use.Specification and test methods
  • GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values

GB/T 25254-2022 history

  • 2022 GB/T 25254-2022 Poly-(tetra methylene ether glycol)(PTMEG) for industrial use
  • 2010 GB/T 25254-2010 Poly-(tetra methylene ether glycol) (PTMEG) for industrial
Poly-(tetra methylene ether glycol)(PTMEG) for industrial use



Copyright ©2024 All Rights Reserved