BS ISO 127:2018

This standard BS ISO 127:2018 Rubber, natural latex concentrate. Determination of KOH number is classified in these ICS categories:

• 83.040.10 Latex and raw rubber

This document specifies a method for the determination of the KOH number of natural rubber latex concentrate which is preserved wholly or in part with ammonia.

The method is applicable to latices containing boric acid.

The method is not applicable to latices preserved with potassium hydroxide. It is not necessarily suitable for latices from natural sources other than Hevea brasiliensis, or for latices of synthetic rubber, compounded latex, vulcanized latex or artificial dispersions of rubber.