HG/T 4229-2011
polyurethane chain extender HER (English Version)

Standard No.
HG/T 4229-2011
Language
Chinese, Available in English version
Release Date
2011
Published By
Professional Standard - Chemical Industry
Latest
HG/T 4229-2011
Scope
This standard specifies the quality requirements, test methods, inspection rules, marking, packaging, transportation and storage of polyurethane chain extender HER [resorcinol-bis(β-hydroxyethyl) ether]. This standard applies to polyurethane chain extender HER made from the condensation of resorcinol and ethylene oxide. Molecular formula: CHO Structural formula: Relative molecular mass: 198.22 (according to the 2007 international relative atomic mass) CAS RN: 102-40-9

HG/T 4229-2011 Referenced Document

  • GB/T 11409-2008 Test methods rubber antiagers and vulcanizing accelerators
  • GB/T 191-2008 Packaging.Pictorial marking for handling of goods
  • GB/T 601-2002 Chemical reagent Preparations of standard volumetric solutions
  • GB/T 603-2002 Chemical reagent--Preparations of reagent solutions for use in test methods
  • GB/T 6283-2008 Chemical products.Determination of water Karl.fischer method(general method)
  • GB/T 6678-2003 General principles for sampling chemical products
  • GB/T 6682-2008 Water for analytical laboratory use.Specification and test methods
  • GB/T 7383-2007 Non-ionic surface active agents.Determination of hydroxyl valu
  • GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values
  • GB/T 9722-2006 Chemical reagent.General rules for the gas chromatography

HG/T 4229-2011 history

polyurethane chain extender HER



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