* The expansion magnification represents the volumetric expansion magnification.
●Status before and after expansion
Test sample: EW-3B 3 mm x 20 mm
(1) Glue an EW-3B test sample onto the test equipment using CRK Bond™.
(2) Place 4 mm spacers in the test equipment and then flow water through the equipment for 48 hours to see if water leaks during a 10 minute pressure retention time while changing the water pressure in steps of 0.1 MPa.