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Specification requirements for the use of screen printing glass in Guangzhou tempered glass factory

Release time:

Oct 24,2024

The specification requirements for the use of subway screen printing glass mainly include the following aspects:

1. Technical Requirements

Anti-aging performance: The temperature and humidity in the subway environment change greatly, and the glass screen printing material (such as glass cloth) is required to have good anti-aging performance and can maintain its strength and stability for a long time.

Fire performance: the subway car is crowded, once the fire, the consequences are unimaginable. Therefore, screen printing glass and the materials used must have excellent fire resistance, can effectively block the spread of fire.

Environmental protection and non-toxic: Subway as a public transport, higher requirements for environmental protection. Screen printing glass and the ink, solvent and other materials used must be environmentally friendly and non-toxic to avoid harm to passengers.

2. screen printing process requirements

Pattern clarity: screen printing pattern should be clear, complete, no blur, color difference, leakage and other issues. This requires that the ink, screen plate, scraper and other tools used in the screen printing process have good quality and precision.

Ink curing: After screen printing, the ink must be fully cured to ensure the durability and adhesion of the pattern. The curing process requires strict control of temperature and time to avoid problems caused by incomplete or excessive curing of the ink.

Mesh plate production: the production quality of the screen plate directly affects the accuracy and quality of the screen printing pattern. Therefore, in the production of the screen, it is necessary to select the appropriate screen material, the number of warp and weft lines and mesh, as well as a reasonable photosensitive glue and exposure conditions.

3. inspection standards and methods

Visual inspection: through the naked eye, check the screen printing glass pattern or text is clear, complete, and whether there is color, leakage, defects or uneven and other issues.

Optical Microscopy: Use an optical microscope to magnify the screen-printed glass to check the details, edge sharpness, and print quality of the pattern or text. This helps to find minor imperfections and inconsistent prints.

Printing accuracy measurement: Use appropriate measurement tools, such as microscopes, projectors or image analysis systems, to measure patterns or text on screen glass to evaluate parameters such as printing accuracy, line width, character size and position.

Adhesion test: to test the adhesion of silk screen printing patterns or characters on the glass surface, commonly used methods include scratch test, peel test and tape adhesion test. These tests can evaluate the adhesion strength and durability between the silk screen glass printed layer and the glass substrate.

4. other requirements

Weather resistance: Subway screen printing glass needs to have good weather resistance, can resist the influence of light, temperature, humidity and other changes in the long-term subway environment, and maintain the clarity and color stability of the pattern.

Easy to clean: Subway silk-screen glass should be easy to clean and maintain in order to keep it beautiful and tidy during long-term use.

Safety: Subway screen-printed glass must comply with relevant safety standards and regulations, such as fire prevention, explosion prevention, and anti-fragmentation requirements to ensure the safety of passengers.

In summary, the specification requirements for the use of subway screen printing glass cover technical requirements, screen printing process requirements, inspection standards and methods, and other requirements. These requirements are designed to ensure the quality, safety and aesthetics of subway screen printing glass to meet the needs of subway operations and passengers.

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