Stiffness

Fabric (Physical Testing) – Relative Stiffness In Flexure Of Automotive Trim Materials And Miscellaneous Fibrous Materials

Leather — Physical and mechanical tests — Determination of softness

Determination of Cantilever Sag Resistance

Apparent Bending Modulus of Plastics by Means of a Cantilever Beam

Procedure for Determining The Flexibility of Automotive Upholstery Materials

Determination Of Leather Softness

Determination of Stiffness