This standard specifies the method for the determination of the tear strength of fabrics by the trapezoidal method. This standard applies to all kinds of woven and nonwoven fabrics.
GB/T 3917.3-1997 history
2009GB/T 3917.3-2009 Textiles.Tear properties of fabrics.Part 3:Determination of tear force of trapezoid-shaped test specimens
1997GB/T 3917.3-1997 Textiles--Tear properties fabrics--Part 3: Determination of tear force of trapezoidal shaped test specimens