Mediclone Biotech Private Limited supplies Polystyrene Rheumatoid Factor Latex. Mediclone Biotech Private Limited is an ISO 9001: 2000 recognised company manufacturing a wide range of Diagnostic and Therapeutic products. The Polystyrene Rheumatoid Factor Latex contains particles sensitized with specially prepared human IgG in order to avoid unspecific agglutination. The Polystyrene Rheumatoid Factor Latex is used for carrying out Serological tests.