Vacuum Leak Test Machine 1.CE, ISO9001 2. ROPP cap leak and seal properties 3.bursting strength of bottle 4.leakness-proof LSSD-01 Vacuum Leak Test Machine is professionally applicable to the quantitative determination of seal performance, seal quality, burst pressure, compression resistance, torsion force and joint/disengaging force of flexible packages, aseptic packages, various plastic pilfer- ...