2LK tear strip lid (PP)

*Leakproof Test
Seal the bucket with matching lid (with water 80% full) and then place the bucket horizontally ,there is no leakage and the lid doesn't fall off.
*Stacking and Crash Test
Stack up three buckets which are sealed with matching lids (with water 80% full), and then push the buckets down, the lid doesn't fall off .
*Drop Test
Seal the bucket with matching lid (with water 80% full), and then drop the bucket from 70 cm height through either 45° angle or straight down, the lid doesn't fall off and the bottom is not broken . (except transparent PP)
*Special Test
Stack up four buckets which are sealed with matching lids (with water 80% full), leave it for 7 days , the buckets are not deformed.