1.1 Batte method is used to determine the content of dirt found in raw natural rubber, but not the dirt that results from contamination of the surface. 1.2 For this method to give a satis actory result, the sampling of raw rubber must be done in the manner indicated in the NORVEN 46-3 standard regarding -Sampling of raw natural rubber.
NORVEN 46-6-1962 history
1962NORVEN 46-6-1962 Method for measurement of contaminants in unprocessed natural rubber