ISO 3451, all parts: Plastics - Determination of ash4 laboratories in United States are accredited by A2LA for at least one part of ISO 3451. Each lab card shows which parts it holds. From the accredited scope text: “ISO 3451-1 (Method A), ISO 1172 (Method A) Chemical Resistance PF-11203; FLTM BN 112-08; LP-463PB-31-01 Color Evaluation WSS-M15P20 3.3.13 Cyclic Corrosion Resistance TP-0000808 ver 03 Crocking/Colorf” “ISO 3451, ISO 6964 Film Thickness ASTM D4138 (Procedure A); GM9518P (1988); ISO 2808 (Methods 6A-1, 6B) Flammability ASTM D6413; BMW GS97038; Chinese GB 8410; Chrysler MS-JP-9; DIN 75200; Fiat 7-G2000” “ISO 3451-1 (Method A) Coefficient of Linear Thermal Expansion with a Push-Rod Dilatometer ASTM E228 Linear Thermal Expansion of Solid Materials by Thermomechanical Analysis ASTM E831; ISO 11359-1, -2”
This page is a fixed slice of the register: every ISO 3451 scope we hold for United States. Search narrows it further by city, accreditation body, or a term from the scope text itself.
ISO/IEC 17025 is the international standard for the competence of testing and calibration laboratories. Accreditation to this standard provides independent confirmation that a laboratory operates a quality management system and is technically competent to produce valid results within its declared scope.