The quality requirements for paper buckets are as follows:

For exports product packaging The quality of the paper drums used should meet the requirements of SN/T0270-93 "Inspection Regulations for Export Commodity Transport Packaging Cardboard Drums", and the appearance should meet the following requirements:

1. The paper bucket should be round and free from obvious defects such as roundness, concavity, skewness, deformation, etc.

2. The barrel body is smooth without mechanical damage, wrinkles, or glue peeling. The waterproof paint is evenly applied without any omissions, bubbles, or obvious marks sagging.

3. Round rolled edges with smooth and paperless tongue.

4， Barrel hoop The welding should be firm and smooth, without any burn through or cold solder joint There is no obvious rust, peeling or cracking.

5. The closure is firmly connected and can be opened flexibly. After closure, the lid and bottom of the barrel are well sealed.

6. Galvanized or painted barrel clamps closure It should be bright and free from detachment.

When printing graphics on the barrel, they should be clear, uniform, firmly attached, and free of ink running.

8. The inside and outside of the paper bucket are clean and free of oil stains.