Quality inspection requirements and standards for ceramic mugs

1、 Appearance quality

1. The surface of the mug should be smooth, clean, and free from defects such as bubbles, cracks, deformations, etc. 2. The pattern and color of the mug should be clear, natural, and free from blurring or misalignment. 3. The decorative lines of the mug should be smooth, without burrs or defects.

2、 Cup mouth quality

1. The rim of the mug should be flat, smooth, and free from notches or cracks.

2. The edge of the cup mouth should be regular, without burrs or irregularities

3. The diameter of the cup mouth should meet the design requirements, without obvious deviation or deformation,

3、 Cup bottom quality

1. The bottom of the mug should be stable, without deformation or depression.

2. The material of the bottom of the cup should be consistent with the upper ceramic material, without color difference or quality difference. 3. The bottom of the cup should have anti slip design to avoid slipping during use

4、 Material and Identification

1. The material of the mug should comply with relevant national standards, such as non-toxic, odorless, etc,

2. The product identification should be clear and complete, including the product name, manufacturer, material, and usage precautions

5、 Security

1. The material and process of the mug should meet safety requirements and have no safety hazards

2. The product should pass relevant safety tests, such as heavy metal content, radioactivity, etc

6、 Sealing performance

1. The sealing performance of the mug should be good, and there should be no leakage when inverted

2. The quality and position of the sealing ring should meet the design requirements to ensure a good sealing effect

7、 Heat resistance

1. The mug should be able to withstand certain temperature changes without cracking or deformation

2. The heat resistance performance should comply with relevant standards, such as no abnormal changes at boiling water temperature, etc

8、 Functionality

1. The mug should have the functionality required by the design, such as being able to hold liquids and easy to carry. 2. The cup cover and filter should meet the design requirements to ensure comfort and practicality.