GB/T 29493.6-2013
Determination of harmful substances in textile dyeing and finishing auxiliaries.Part 6:Determination of isocyanate groups in polyurethane prepolymers (English Version)

Standard No.

GB/T 29493.6-2013

Language

Chinese, Available in English version

Release Date

2013

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 29493.6-2013

Scope

This part of GB/T 29493 specifies the method for the determination of isocyanate group content in polyurethane prepolymer of textile dyeing and finishing auxiliaries. This section applies to the determination of the isocyanate group content in polyurethane prepolymers synthesized from toluene diisocyanate (TDI), diphenylmethane diisocyanate (MDI) and other diisocyanate monomers.

GB/T 29493.6-2013 Referenced Document

• GB/T 601-2002 Chemical reagent Preparations of standard volumetric solutions
• GB/T 6682 Water for analytical laboratory use.Specification and test methods
• GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values

GB/T 29493.6-2013 history

• 2013 GB/T 29493.6-2013 Determination of harmful substances in textile dyeing and finishing auxiliaries.Part 6:Determination of isocyanate groups in polyurethane prepolymers

GB/T 29493.6-2013 -All Parts