Lawson-Hemphill launches 'New Textile Burst Tester'

15 May '07

3 min read

Lawson-Hemphill is releasing its "New Textile Burst Tester", 13-60 series. The latest in burst testing from the top rated company in testing machines, the textile burst tester is used as a multidirectional tensile test to identify failure in the direction of least resistance for evaluating the materials physical strength and fiber bond.

The textile burst tester is designed to meet international standards for tests on textiles. In textiles, the burst tester measures the fabrics strength along with immediate or eventual effects of dyes, chemicals and processes.

It also demonstrates the results of wear, age and environment and evaluates the comparative strength of alternative fibers.

The instrument is designed for measuring the bursting strength of sample materials subjected to an increasing hydrostatic pressure. This pressure is applied to a circular region of the specimen via an elastic diaphragm.

The specimen is firmly held round the edge of this circular region by a pneumatic clamping device. When the pressure is applied, the specimen deforms together with the diaphragm. The bursting strength corresponds to the maximum pressure supported by the specimen before failure.

Identical, in the principle to a multi-directional tensile test, this measurement is independent from the cutting direction of the sample (machine or cross) since the failure naturally occurs in the least resistance direction. The rubber diaphragms with specific thickness and shore hardness must have a bulge versus pressure pattern within the tolerance of the standards related to the type of material tested.

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