Size test: The size and tolerance of the bottle cap must meet the standard requirements.
Appearance test: The bottle cap should be fully formed, complete in structure, smooth in surface, and without obvious defects.
Printing pattern adhesion performance test: The printed pattern on the bottle cap should not fall off obviously.
Sealing performance test: The bottle cap should maintain good sealing under different pressures.
Thermal stability performance test: The bottle cap should not burst or deform under low or high temperature conditions, and the sealing should be good.
Drop performance test: The bottle cap should not burst, fall off, or leak in the drop test.
Impact resistance test: The bottle cap and the fragment should not fall off in the impact test.
Anti-theft ring (strip) physical performance test: The anti-theft ring (strip) should have good physical properties and should be obviously damaged after opening.
Sanitary performance test: The materials used for the bottle cap should meet the requirements of relevant hygiene standards.
PET Cap Anti-theft Ring Test Method And Performance Requirements
Nov 16, 2024

