T/CNTAC 179-2023 Quality grading and "Pacer" evaluation requirements for polypropylene expanded filament (BCF)
T/CNTAC 179-2023 Quality grading and "Pacer" evaluation requirements for polypropylene expanded filament (BCF)
Basic Information
Scope
Main technical content: "This document specifies the basic requirements, evaluation indicators and requirements, evaluation methods, and grade classification for the quality and enterprise standard levels of polypropylene hollow filament (BCF) products. This document is applicable to the evaluation of the quality and enterprise standard levels of polypropylene BCF products with a linear density of 800dtex to 3800dtex and a cross-sectional shape of three-leaf and triangular, glossy, matte, natural-color, and colored. Relevant institutions can refer to this document when conducting quality grading and enterprise standard level assessments, as well as 'leader' evaluations and related certifications. Relevant enterprises can also refer to this document when formulating their own enterprise standards."