This part of GB/T 39697 specifies the classification of rubber or plastic covered rolls (hereinafter referred to as covered rolls) according to surface quality (or defects) and surface treatment, and describes the measurement method of surface roughness.
GB/T 39697.2-2020 Referenced Document
ISO 23529 Rubber - General procedures for preparing and conditioning test pieces for physical test methods
ISO 4288 Geometrical Product Specifications (GPS) - Surface texture: Profile method - Rules and procedures for the assessment of surface texture; Technical Corrigendum 1
GB/T 39697.2-2020 history
2020GB/T 39697.2-2020 Rubber or plastics covered rollers—Specifications—Part 2:Surface characteristics