Compression Set Appartus, Rubber Compression Set- Testing Instruments

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Home > Products > Rubber Testing Instruments > Compression Set Apparatus-Constant Strain

Rubber Testing Instruments

Ozone Chamber

Ozone Chamber Touch Screen Computerised

Tensile Testing Machine (CAP 2500 KGF.)

Tensile Testing Machine Computerised-250-kg

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Dumbell Cutting Die

IRHD Rubber Hardness Tester

Bennewart Flex Tester

Specific Gravity Balance - Digital

Ross Flexing Tester

Muffle Furnace

Din Abrasion Tester

Colour Matching Device

Compression Set Apparatus-Constant Strain

Conditioning Chambers / Humidity Chambers

De-Mattia Flex Tester

Digital Tensile Strength Tester

Flammability Tester

Rebound Resilience Tester

Digital - Shore A Hardness Tester

Shore A Hardness Tester with Stand

Tension Set Apparatus

Compression Set Apparatus-Constant Strain

Compression set of Rubber components is defined as the difference between the original thickness of a disc shaped test specimen taken either from the component or moulded from the compound from which the component is to be moulded and that after compression and subsequent recovery, expressed as percentage of the initially applied compression. It to retain its elastic property after prolonged compression.

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The compression set may be determined after subjecting the test specimen either to a constant deflection or pressing it under a constant load. Compression set under constant deflection is determined by subjecting a cylindrical disc shaped test specimen to a fixed strain for a specified time at either room temperature or any other specified temperature, and then allowing it to recover for a given time.

The “PRESTO” Compression Set Apparatus for determination of compression set under constant strain consists strain consists of four polished steel plates having flat and parallel ground faces. The plates are held together by a pair of allen bolts. Ring shaped spacers of specified thickness made of magnetic stainless steel are provided to give the desired compression to the test specimens. The apparatus may be kept inside a hot air oven for conducting the test at elevated temperatures.

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