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Database: 365,228(8 Aug 2026)

Microsphere roundness

Microsphere roundness, Total:47 items.

The international standard classification for "Microsphere roundness" includes: Sports equipment and facilities , Sports equipment and facilities in general , Thermoplastic materials , Conducting materials , Extraction and processing of petroleum and natural gas , Other inorganic chemicals .

The Chinese standard classification for "Microsphere roundness" includes: Sports goods , Basic standards and general methods for synthetic resin and plastic , Special carbon material , Petroleum development , Oxide and elementary substance .


General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

  • GB/T 12598-2001 Determination for sphericity of ion exchange resins after attrition of osmotic - Attrition
  • GB/T 37592-2019 Carbonaceous mesophase spheres
  • GB/T 14625.5-2008 Test methods for basketball, football, volleyball and handball - Part 5: Measurement of circumference and its variation
  • GB/T 14625.1-1993 Basketball, football, volleyball, handball. The measurement of roundness
  • GB/T 14625.1-2008 Test methods for basketball, football, volleyball and handball - Part 1: Measurement of roundness
  • GB/T 14625.5-1995 Measurement of circumference and its variation for basketball, football, volleyball and handball

Professional Standard - Petroleum

Professional Standard - Aviation

Professional Standard - Chemical Industry

Professional Standard - Aerospace

Group Standards of the People's Republic of China

Professional Standard - Machinery

  • JB/T 14477.1-2023 Tapered roller ball base surface grinder Part 1: Accuracy inspection

American Society for Testing and Materials (ASTM)

South African Bureau of Standard

Gosstandart of Russia

  • GOST R 57963-2017 Hollow glass microspheres. Method for determination of compressive strength

Bureau of Indian Standards

Military Standards (MIL-STD)

  • MIL MIL-DTL-38999K/AMENDMENT-1-2001 Electrical Connectors, Circular, Miniature, High Density, Quick Disconnect (Bayonet, Threaded, and Breach Coupling), Environment Resistant, Removable Crimp and Hermetic Solder Contacts
  • DOD A-A-51689-1986 DISK, MICROMETER, MICROSCOPE EYEPIECE

Indonesia Standards

Society of Automotive Engineers (SAE)

Korean Agency for Technology and Standards (KATS)

Magyar Szabványügyi Testület