1 This unification concerns the method of determining the alkalinity of natural rubber latexes, containing anti-fermentation agents and which have been subjected to any concentration process. 2 The method is not necessarily suitable for natural rubber latexes of different origin from Hevea brasiliensis, for synthetic elastomer latexes, for blended latexes, for vulcanized latexes and for artificial rubber dispersions.
UNI 4904-1962 history
1962UNI 4904-1962 Elastic material: raw material, natural latex. Alkalinity determination