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In order to measure the hardness of foam, we special tailor-Made the LX-F type sponge durometer to facilitate our customers.
LX-F type sponge udometer is suitable for the determination fo soft foam, polyurethane foma rubber products' hardness. And it will be different with the other hardness tester. In the aspects of using. When using, the presser foot directly contact to the sample, and see its own weight as force measurement load.
Method of using:
Handheld the middle of the instrument, located the hardness tester gently on the plane specimens which is bigger than presser foot (or specimen). Reading out the value in1 seconds when durometers’ presser foot contact with the sample smoothly. And the tick of pointers is the hardness value of sample (specimen). In order to improving the accuracy of measurement, you should put the sample on a flat plate glass or plate. Each measuring point should be measured only one time, the measuring point at a distance of more than 25mm (0.98in) of different parts from the same sample should be more than 5 points. To take the average of measurement results, namely it’s the hardness value of the materials
