This part of GB/T 22638 specifies the method principle, reagents and materials, instruments and equipment, samples and test pieces, determination, result calculation and test report of the determination method of aluminum foil heat seal strength for blister packaging. This part applies to the determination of the heat-sealing strength of the aluminum foil adhesive layer for blister packaging made of aluminum foil bonded with polyvinyl chloride (PVC), polyvinylidene chloride (PVDC) and other hard sheets.
GB/T 16825.1 Metallic materials—Calibration and verification of static uniaxial testing machines—Part1:Tension/compression testing machines—Calibration and verification of the force-measuring system*, 2022-10-14 Update
GB/T 8170 Rules of rounding off for numerical values & expression and judgement of limiting values
GB/T 22638.7-2016 history
2016GB/T 22638.7-2016 Test methods for aluminium and aluminium alloy foils-Part 7:Determination of heat seal strength
2008GB/T 22638.7-2008 Test methods for aluminium and aluminium alloy foils.Part7:Determination of heat seal strength