Relates to the stress and strain to which paper is subjected in its many end use applications. It is defined as the maximum force required to break a paper strip of a given width under prescribed laboratory conditions. The degree and quality of fiber bonding and the type of fibers used are the most important factors affecting tensile strength.
The maximum pounds per square inch (psi) that a material can be stretched lengthwise without tearing, expressed as a percentage of the original length.
Maximum unit stress which a material is capable of resisting under axial tensile loading, based on the cross sectional area of the specimen before loading.