GB/T 12008.5-2010
Plastics.Polyether polyols.Part 5:Determination of acidity as acid number (English Version)

Standard No.: GB/T 12008.5-2010
Language: Chinese, Available in English version
Release Date: 2010
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 12008.5-2010
Replace: GB/T 12008.5-1989

Scope: The test methods specified in this part of GB/T 12008 are used to determine the acidic components in polyether polyols, and the results are expressed in acid value. The typical acid value (based on the amount of KOH consumed) ranges from 0 to 0.1 mg/g. This section does not address any security issues associated with use. It is the user's responsibility to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

GB/T 12008.5-2010 Referenced Document

ASTM D883 Standard Terminology Relating to Plastics*， 2024-02-01 Update
ASTM E691 Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method

2010 GB/T 12008.5-2010 Plastics.Polyether polyols.Part 5:Determination of acidity as acid number
1989 GB/T 12008.5-1989 Polyether polyols--Determination of acid number