Specifies a method for the determination of the dirt content of raw natural rubber. Not applicable to dirt present as surface contamination. Replaces the second edition which has been technically revised.
ISO 249:1995 history
2022ISO 249:2016/Amd 1:2022 Rubber, raw natural — Determination of dirt content — Amendment 1
2016ISO 249:2016 Rubber, raw natural - Determination of dirt content
2014ISO 249:2014 Rubber, raw natural - Determination of dirt content
1995ISO 249:1995 Rubber, raw natural - Determination of dirt content
1987ISO 249:1987 Rubber, raw natural; Determination of dirt content
1974ISO 249:1974 Raw natural rubber — Determination of dirt