TY - BOOK TI - Methods 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 T2 - Methods of Testing Subcommittee, CDC 42:1 CY - New Delhi KW - Natural rubber testing N1 - Standard number: IS 3660 (Part I) ER -