This standard specifies the method for determining the tear strength of fabrics by the tongue test method, including single tongue test specimens and double tongue test specimens. This standard applies to woven fabrics and fabrics produced by other techniques. This standard is not applicable to the determination of the tear strength of knitted fabrics, woven elastic fabrics, etc. This standard specifies the use of constant velocity extension (CRE) testers.
GB/T 3917.2-1997 history
2009GB/T 3917.2-2009 Textiles.Tear properties of fabrics.Part 2:Determination of tear force of trouser-shaped test specimens(Single tear method)
1997GB/T 3917.2-1997 Textiles--Tear properties of fabrics--Part 2: Determination of tear force of tongue shaped test specimens
GB/T 3917.2-1997 Textiles--Tear properties of fabrics--Part 2: Determination of tear force of tongue shaped test specimens was changed to GB/T 3917.4-2009 Textiles.Tear properties of fabrics.Part 4:Determination of tear force of tongue-shaped test specimens.