This standard specifies the general rules for the rating of coating aging, the rating method of individual indicators of aging and the comprehensive rating method of decorative coating and protective coating aging. Comprehensive Rating Methodology.
GB/T 1766-1995 history
2008GB/T 1766-2008 Paints and varnishes.Rating schemes of degradation of coats
1995GB/T 1766-1995 Paint and varnish--Rating schemes of degradation of coats
1980GB/T 1766-1979 Method for Rating Weatherability of Paint Films