The appearance inspection methods of metal packaging product
A:Purpose
Standardize the testing items and defect categories of metal tin box product packaging .
B:Scope
This method applies to all metal packaging products.
C:Equipment
Standard light source lightbox (D65 light source), or a well-lit fluorescent lamp environment in an office.
D:Testing Steps
1.Development Stage: Select 10 representative tin box samples for testing. Incoming Inspection Stage: tin box Sample according to the normal single sampling plan of GB/T 2828-2012 counting sampling inspection procedure.
2.Compare the tin box packaging samples with standard samples, limit boards, and illustrated examples of this method visually for 30 seconds at a distance of 30 cm.
E:Defect categories and determination
| Tin Box Defect Description | no defect | Severe | Major | Minor | Very Minor |
| AQL 0.15% | AQL 0.65% | AQL 1.5% | AQL 4.0% | ||
| Uneven edge rolled causing hands to be cut | |||||
| Uneven edge rolled without causing hands to be cut | |||||
| edge rolled wrinkles affecting closing lid | |||||
| edge rolled wrinkles without affecting closing lid | |||||
| Poorly formed circular ring at the mouth affecting closing lid | |||||
| Poorly formed circular ring at the mouth not affecting closing lid | |||||
| Any burrs causing cuts | |||||
| Any burrs not causing cuts | |||||
| Poor thread forming affecting screwing of the cap | |||||
| no thread | |||||
| Scratches /creases larger than 10 square mm | |||||
| Scratches/creases between 5-10 square mm | |||||
| Surface depression /deformation larger than 10 square mm | |||||
| Surface depression /deformation between 5-10 square mm | |||||
| Glass contamination | |||||
| Microbial contamination | |||||
| Insect contamination | |||||
| Metal contamination | |||||
| Bloodstain contamination | |||||
| Black spots and dust larger than 2 square mm | |||||
| Black spots and dust between 0.5-2 square mm | |||||
| Incorrect batch number, shelf life, and production date | |||||
| Missing printing not affecting understanding | |||||
| Missing printing affecting understanding | |||||
| Should be glossy but not glossy | |||||
| Incorrect decoration position | |||||
| Printing ink dots larger than 2mm | |||||
| Printing ink dots larger than 2mm | |||||
| Incorrect colors | |||||
| Printing and label misalignment larger than 2 mm or between 1-2 mm | |||||
| Missing or unreadable barcode or incorrect code | |||||
| Loose assembly | |||||
| Missing seals, gaskets, or adhesive overflow | |||||
| Metal rust | |||||
| Glossiness | |||||
| Assembly unable to meet alignment requirements after assembly | |||||
| Label wrinkles greater than 5 square mm | |||||
| Label lifting greater than 3 square mm | |||||
| Mixing of packaging material products | |||||
| Colors exceeding the acceptable range | |||||
| Missing decoration or incorrect decoration type | |||||
| Decoration larger than 5 square mm or between 2-5 square mm being defective |
F:All test tin box packaging samples and original reference samples must be retained for 6 months after testing.
FAQ you must want to know when you purchasing tin box packaging or choosing tin box manufacturer
1.Can you send me catalog?
Yes! of course .Please send us an enquiry on contact page to contact us, and inform us of your need for the catalog, and attach the correct email that can contact you, preferably work email, we will send the CATALOG to you in the first time
2.How you send the tin boxes to my country?
Depending on the quantity and volume of the product, we can ship it to the corresponding country by sea or by air!
3.what is your MOQ?
For Small tin box , MOQ is 10000pcs , For middle Tin box , MOQ is 6000pcs , and For big tin box , MOQ is 3000pcs.
- Can you Can you reduce MOQ?
As a fully automated production manufacturer, MOQ is the minimum standard to start the production line, if the number is reduced, whether it is a waste of resources for the factory or for the customer, it can not achieve the maximum benefit
5.What if I have less than MOQ?
If your quantity is less than MOQ, it is recommended that you purchase from a local middleman or agent. Local middlemen or agents are purchased in large quantities and transported back to the local country for sales, the cost and freight of each product are the lowest control, and you also save yourself the heavy work of transportation customs declaration and tax.
6.Who are you serving ?
Honestly, we’re willing to serve anyone who’s willing to buy boxes from us,
Generally speaking, most of our customers are:
Food manufacturers, such as chocolate manufacturers, candy manufacturers, cookie manufacturers, mints manufacturers, other manufacturers that need tin box packaging, perfume manufacturers Middlemen and traders, we do not exclude middlemen and traders, on the contrary, we welcome you very much, because our business model is OEM, our advantage is manufacturing, but your advantage is marketing, you are familiar with your local markets, you also have the advantage of your local language, and it is easier to obtain the trust of the local market. So the combination with the trading company is very sensible. You have local customers, we have the most professional manufacturing, the two cooperate to serve our most valued customers.
Gift company,Brand company or Design company
