JJG (交通) 074-2007 《Comb Gauge for Wet-film Thickness of Road Traffic Marking Coat》 Related products

The JJG (Traffic) 074-2007 standard, namely "Regulations for Verification of Wet Film Thickness Comb Gauge of Road Traffic Marking Coatings", stipulates the verification method of the wet film thickness comb gauge of road traffic marking coatings. It is suitable for the first verification, subsequent verification and in-use inspection of the comb gauge to ensure the accuracy of the thickness measurement of the marking coating. Issued by the Ministry of Communications and implemented since August 1, 2007, it plays an important role in ensuring the quality of road marking and traffic safety.