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Sponge tensile strength test
This machine is used to test the tensile speed of the sponge.
The durability of the mattress is related to the tensile strength.
Three sponges were placed on the test machine with specific shapes and a thickness of 1 cm.
Maximum elongation Σ(%) = [L(measured value at break, mm-L0 (gague length at arigin, mm)/L0 (blur length at raigiin, mm)
Tensile strength 0 (Mpa) = F (gague load, N)/A (average of sample cross-sectional area, m㎡.
The test machine will calculate the required value based on the average of the three samples.
