GB/T 8297-2001
Natural rubber latex concentrate--Determination of KOH number (English Version)

Standard No.

GB/T 8297-2001

Language

Chinese, Available in English version

Release Date

2001

Published By

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

Status

Be replaced 2008-11

Replace By

GB/T 8297-2008

Latest

GB/T 8297-2023

Scope

This standard specifies the method for determination of KOH value of concentrated natural rubber latex preserved in whole or in part with ammonia. This standard applies to latex containing boric acid. Not applicable to latex preserved with potassium hydroxide, nor to natural latex, compound latex, vulcanized latex and artificial latex other than Hevea latex.

GB/T 8297-2001 history

• 2023 GB/T 8297-2023 Determination of potassium hydroxide (KOH) value of concentrated natural rubber latex
• 2017 GB/T 8297-2017 Rubber, natural latex concentrate.Determination of KOH number
• 2008 GB/T 8297-2008 Natural rubber latex concentrate.Determination of KOH number
• 1987 GB 8297-1987 Determination of Potassium Hydroxide Value of Natural Concentrated Latex