GB/T 34006-2017
Cardanol modified phenolic resin for composite material
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Phenolformaldehyde resins. Methods for determination of free phenol
EN ISO 8974:2002
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Phenolformaldehyde resins. Methods for determination of free phenol
ASTM D1312-93(1998)
Standard Test Methods for Apparent Free Phenols in Synthetic Phenolic Resins or Solutions Used for Coating Purposes (Withdrawn 2007)