00315nam a2200097Ia 4500008004100000245009600041260000900137500003700146650001900183650001500202220217s9999    xx            000 0 und d 0aMethods of test for natural rubber. Part XI. Determination of plasticity. (First Revision).  c1989  aStandard number: IS 3660 Part XI  aNatural rubber  aPlasticity