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How to choose good quality tinplate cans, food tin cans, chemical cans?
Consumers are buying tinplate cans, food cans, chemical cans, want to buy good quality products, from the following aspects to choose.
1. Appearance quality requirements:
(1) The outer height H of the round empty can is equal to the finished product specification, the outer height H plus 0.2 ~ 0.3 mm.
(2) Various round empty cans should meet the hygiene requirements of the food industry.
3) The body of the empty can and the sealing curling edge should be free of rust. The buns are allowed to have indistinct corners and light emblems. The unwinding requires uniform marking, good unwinding, no bad marking and welding tongue.
(4) The tin layer or coating on the inner wall of the empty cans must not have serious scratches and mechanical damages, However, those that are slight and do not sound after loading the contents are allowed to exist..
(5) The main patterns and characters of the iron logo printed on the outside of the cans must not have serious scratches and mechanical damages, Non major patterns are allowed to exist if they are scattered in a small amount and do not affect the appearance.
(6) The coating on the inner wall of the empty cans does not fall off, and there is no scorch. After the sterilization test, the inner wall coating does not change color and does not fall off.
(7) The externally printed iron trademark does not fall off after the sterilization test, the coating film has no obvious difference, and maintains a good gloss.
(8) The empty cans shall be free of serious collision and edge curling damage caused by mechanical collision.
(9) There must be no serious bumps in the flanging of empty cans.