00299nam a2200097Ia 4500008004100000245008800041260000900129500003600138650000800174650001900182220217s9999    xx            000 0 und d 0aMethods of test for natural rubber. Part 3. Determination of ash. (Second Revision)  c1988  aStandard number: IS 3660 Part 3  aAsh  aNatural rubber