1.1 This Malaysian Standard covers requirements for evaporated natural rubber latices of the following types:
1.1.1 NRIatex. type HA evaporated. Evaporated latex preserved with ammonia only on with ammoniatogether with other preservatives(s). with alkalinity of at least 0.60% (m/m) on the latex.
1.1.2 NRIatex. type KHS evaporated. Evaporated latex preserved potassium hydroxide and having a nominal total solids content of 73%.
1.1.3 NRIatex, type KLSevaporated. Evaporated latex preserved with potassium hydioxide and having a nominal total solids content of 68%.
MS 317-1986 history
1986MS 317-1986 Specification for evaporative preservative natural rubber latex