HG/T 2709-1995
Determination of Hydroxyl Value in Polyester Polyol (English Version)

Standard No.

HG/T 2709-1995

Language

Chinese, Available in English version

Release Date

1995

Published By

Professional Standard - Chemical Industry

Status

Be replaced 2023-04

Replace By

HG/T 2709-2022

Latest

HG/T 2709-2022

Scope

This standard specifies a method for determining the hydroxyl value of polyester polyols using the acetylation method. This standard applies to polyester polyols produced by the polycondensation reaction of adipic acid and low molecular weight polyols.

HG/T 2709-1995 history

• 2022 HG/T 2709-2022 Determination of hydroxyl value of polyester polyols used in plastics for the production of polyurethane
• 1995 HG/T 2709-1995 Determination of Hydroxyl Value in Polyester Polyol