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DEF Specifications: ISO 22241
PostedJuly 6, 2022
UpdatedMay 24, 2023
ByFluid Life
This table outlines the specific physical and chemical properties Diesel Exhaust Fluid (DEF) is required to have according to ISO 22241 specifications.
Check with your DEF Supplier for a “Certificate of Analysis” (or C-of-A) to ensure that the DEF you receive meets the quality standards of ISO 22241.
ISO 22241 Specifications
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