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ISO 12625-4 Tensile strength (Dry)

Standard:

ISO

Method:

ISO 12625-4

Title:

Determination of tensile strength, stretch at break and tensile energy absorption

Scope

ISO 12625-4 Tensile strength test specifies a method for the determination of the tensile strength, stretch at break and tensile energy absorption of tissue paper and tissue products. It uses a tensile-testing apparatus operating with a constant rate of elongation.

It also specifies the method of calculating the tensile index and the tensile energy absorption index.

Principle

A test piece of tissue paper or a tissue product, of given dimensions, is stretched to break at a constant rate of elongation using a tensile-testing apparatus that measures and records the tensile force as a function of the elongation of the test piece.

From the recorded data, the tensile strength, the corresponding stretch at break, and the tensile energy absorption are calculated.

Sample

Basis weight required for calculations.

 

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