GB/T 18318.1-2009 Translated English of Chinese Standard (GBT 18318.1-2009, GB/T18318.1-2009, GBT18318.1-2009): Textiles - Determination of bending behavior - Part 1: Incline method
https://www.chinesestandard.net, Jun 18, 2019 - Technology & Engineering - 11 pages
This part of GB/T 18318 specifies the method of using the incline method to determine the bending length of fabrics; gives the formula for calculating the flexural rigidity according to the bending length. This section applies to all types of fabrics.
Appendix A Informative Flexural rigidity bending length projection length
agreements to take Appendix apply average bending length bending behavior bending length meter calculate the average calculate the flexural Cantilever beam centimeters clause coefficient of variation conditioning and test curled or twisted Deformation angle DELETE Determination of bending Determination of mass Figure A.1 flexural rigidity Follow the provisions formula gravity acceleration horizontal platform Incline method inclined surface leading edge length of fabrics long axis long sides longitudinal direction main differences Mark D mass per unit methods for nonwovens MODIFY the standard National Textile normative references Note number of specimens Place the specimen platform and bends Platform support product standards projection length provisions of product referenced relevant agreements Retain three significant rigidity per unit shown in Figure specimens are parallel standard name standards or relevant steel ruler take sample Terms and definitions Test methods Test report Textile Industry types of fabrics unit area GB/T unit width weight zero point