OTHER
ISO 6521-3:2019
ISO 6521-3:2019 refers to an international standard that specifies the minimum requirements for lubricants used in refrigerating compressors, particularly outlining the properties of different categories of these lubricants (like DRA, DRB, DRC, etc.) for both mineral and synthetic based options; essentially defining quality standards for compressor oils used in refrigeration systems
📄 Document
Title: APPLICATION FORM OF ISO 6521-3:2019
📜 Document Instructions:
Please fill the application form and upload required documents online for ISO Certification.
