00456nam a2200097Ia 4500008004100000245024300041260000900284500003700293650000900330650001900339220217s9999    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