Test methods of rubbers, catalog, Chinese national standards
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GB/T 3517 Rubber raw natural - Determination of plasticity retention index(PRI)
GB/T 4499 Vulcanized rubber - Determination of antidegradant content - Thin layer chromatographic method
GB/T 6029 Vulcanized rubber - Determination of accelerant - Thin layer chromatographic method
GB/T 8086 Raw natural rubber - Determination of dirt
GB/T 8088 Rubber, raw natural and rubber latex, natural - Determination of nitrogen content
GB/T 8290 Natural rubber latex concentrate - Sampling
GB/T 8291 Natural rubber latex concentrate - Determination of coagulum content (sieve residue)
GB/T 8292 Rubber latex, natural, concentrate - Determination of volatile fatty acid number
GB/T 8293 Natural rubber latex concentrate - Determination of sludge content
GB/T 8294 Natural rubber latex concentrate - Determination of boric acid content
GB/T 8295 Natural Rubber and latex - Determination of copper content - Photometric method
GB/T 8296 Raw natural rubber and rubber latices - Determination of manganese content - Sodium periodate photmetric methods
GB/T 8297 Natural rubber latex concentrate - Determination of KOH number
GB/T 8298 Natural rubber latex concentrate - Determination of total solids content
GB/T 8299 Natural rubber latex concentrate - Determination of dry rubber content
GB/T 8300 Natural rubber latex concentrate - Determination of alkalinity
GB/T 8301 Natural rubber latex concentrate - Determination of mechanical stability
GB/T 8656 Styrene-butadiene rubber(SBR) - Emulsion and solution-polymerized types - Evaluation procedures
GB/T 8657 Rubber, raw styrene-butadiene - Determination of soap and organic-acid content
GB/T 8658 Rubber, raw styrene-butadiene, emulsion-polymerized - Determination of bound styrene content - Refractive index method
GB/T 8660 Rubber, butadiene(BR) - Solution-polymerized types - Evaluation procedures
GB/T 14796 Raw natural rubber - Colour index test
GB/T 14797.2 Natural rubber latex concentrate - Prevulcanized rubber latex - Determination of viscosity
GB/T 14797.3 Natural rubber latex concentrate - Prevulcanized rubber latex - Determination of swelling capacity
GB/T 15340 Rubber, raw natural and raw synthetic - Sampling and further preparative procedures
GB/T 15904 Rubber - Determination of polyisoprene content
GB/T 15906 Rubber - Determination of isoprene-isobutylene rubber or poly isobutylene content
GB/T 17821 Rubber latex - Determination of density between 5°C and 40°C
GB/T 18011 Natural rubber latex concentrate - Preparation of dry films
GB/T 18012 Natural Rubber latex - Determination of pH
GB/T 18013 Raw natural rubber - Determination of accelerated storage-hardening number
GB/T 18396 Natural latex - Determination of surface tension by the ring method
GB/T 28112 Determination of residual dimethylcyclosiloxane volatiles in silicone rubber
GB/T 28728 Determination of the microstructure of solution-polymerized SBR
GB/T 29608 Rubber product - Determination of phthalate acid esters
GB/T 29609 Rubber - Determination of phenol and biphenyl-A
GB/T 29610 Rubber products - Determination of polybrominated biphenyls and polybrominated diphenyl ethers - Gas chromatography and mass spectrometry
GB/T 29614 Determination the content of polycyclic aromatic hydrocarbonsin vulcanized rubber compounds
GB/T 29644 Rubber, vulcanized - Determination the content of N-phenyl-β-naphthylamine - High performance liquid chromatogramic method
GB/T 30308 Fluoroelastomers - General specification and procedure of evaluation
GB/T 33078 Rubber - Identification of antidegradants - Gas chromatography/mass spectrometry
GB/T 33428 Polyacrylate rubber - General specification and evaluation procedure