GB/T 9989-2005
Vitreous and porcelain enamels-Determination of resistance to citric acid at room temperature (English Version)

Standard No.

GB/T 9989-2005

Language

Chinese, Available in English version

Release Date

2005

Published By

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

Status

Be replaced 2016-05

Replace By

GB/T 9989.1-2015

Latest

GB/T 9989.1-2015

Replace

GB/T 9989-1988

Scope

This standard specifies the test method for citric acid corrosion resistance of enamel products at room temperature and the grading of the results. This standard does not apply to enamel or chemical industry enamel products exposed to hot and strong acids.

GB/T 9989-2005 history

• 2015 GB/T 9989.1-2015 Vitreous and porcelain enamels.Determination of resistance to chemical corrosion.Part 1:Determination of resistance to chemical corrosion by acids at room temperature
• 2005 GB/T 9989-2005 Vitreous and porcelain enamels-Determination of resistance to citric acid at room temperature
• 1988 GB/T 9989-1988 Vitreous and porcelain enamels--Determination of resistance to citric acid at room temperature