ISO 4628, all parts: Paints and varnishes - Evaluation of quantity and size of defects, and of intensity of uniform changes in appearance7 laboratories in United States are accredited by A2LA for at least one part of ISO 4628. Each lab card shows which parts it holds. From the accredited scope text: “ISO 4628 Part 1 Part 1 - General Introduction and Designation System ISO 4628 Part 2 Part 2 - Assessment of Degree of Blistering ISO 4628 Part 3 Part 3 - Assessment of Degree of Rusting ISO 4628 Part” “ISO 4628 Paints and Varnishes-Evaluation of Degradation of Paint Coatings-Degradation of Intensity, Quality and Size of Common Types of Defect ISO 16871 Outdoor Exposure of Plastic Pipes ISO 877-1 Pla” “ISO 4628-1, ISO 4628-2, ISO 4628-3, ISO 4628-8, ISO 9227; Nissan NES M0140, NES M4063 (Section 4.5.2); Scuff / Mar Chrysler LP-463DD-18-01, LP-463PB-54-01; Ford FLTM BI 161-01, FLTM BN 108-04, FLTM BN” “ISO 4628-2 Degree of Rusting ASTM D610 Fluid Resistance via Immersion, Drip, and Pooling at Room or Elevated Temperature for Acids, Adhesives, Alcohols, Alkali, Automobile Fluids (to include Antifreez”
This page is a fixed slice of the register: every ISO 4628 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.