This standard specifies the product structure, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of asphalt ductility testers. This standard applies to asphalt ductility testers used for the determination of ductility and elastic recovery of asphalt materials (ductility method).
JT/T 849-2013 Referenced Document
GB/T 191 Packaging.Pictorial marking for handling of goods
GB/T 4508 standard test method for ductility of bitumen
JJG 161 Highway Bridge Expansion Device Test System