GB/T 12721-2007 (English Version) PDF

Standard No.: GB/T 12721-2007
Language: Chinese, Available in English version
Release Date: 2007
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 12721-2007
Replace: GB/T 12721-1991

Scope: This standard specifies the method for measuring the wear resistance of the outer coating of rubber hoses. This standard applies primarily to hydraulic hoses and other similar types of hoses with fabric or steel wire reinforcement and outer coverings with smooth and flat surfaces. . This standard is not intended to be used to predict the wear life of products, but to compare the quality levels of products. This standard does not specify the number of cycles to be completed for each test, this number of cycles is specified in the corresponding product standard.

GB/T 12721-2007 Referenced Document

GB/T 2941 Rubber. General procedures for preparing and conditioning test pieces for physical test methods
ISO 4957 Tool steels*， 2018-06-01 Update

2007 GB/T 12721-2007 Rubber hoses.Determination of abrasion resistance of the outer cover
1991 GB/T 12721-1991 Rubber hoses--Determination of abrasion resistance of the outer cover