More conducive to the reproduction of the detail of the impression, so that all repair diagnosis more accurate, reduce the repair rate. Can solve similar products on the market of the gingival edge die extraction incomplete and bubble problems. The ability to recover from deformation is up to 98.6% (the international standard of silica gel is 96.5%), the compressive strain is 17.6%, the compressive strength is 0.61, which enables the technician to identify the position of the edge of the impression more accurately. Features: - Extra Fast setting type. - Made in China. - Net weight: 454 Gr.