00600nam a2200133Ia 4500008004100000245024300041260000900284500003700293650000900330650001900339942000700358999001700365952008400382220217s9999    xx            000 0 und d 0aMethods of tests for natural rubber. Part I. Determination of dirt, volatile matter, ash, total copper, manganese, iron, rubber hydrocarbon, viscosity (shearing disk viscometer), and mixing and vulcanizing of rubber in a standard compound  c1966  aStandard number: IS 3660Part I    aDirt  aNatural rubber  cST  c73740d73740  001040710842aMAINbMAINd2021-12-31l0r2021-12-31 00:00:00w2022-02-17yST