When choosing high-quality PET matte silver paper, you can consider the following aspects:
1、 Appearance quality
Flatness and smoothness: High quality PET matte silver paper should have good flatness and smoothness, and the surface should not have obvious bubbles, scratches, damage or impurities.
Glossiness: The glossiness of matte silver paper should be moderate, neither too bright nor too dim, presenting a low-key and steady matte texture.
2、 Performance indicators
Mechanical properties: High quality PET matte silver paper should have high strength and modulus, be able to withstand certain pressure and tension, and not easily tear or deform.
Corrosion resistance: PET matte silver paper should be able to resist various corrosive substances such as acid, alkali, salt, etc., thereby maintaining its original properties and appearance.
Insulation performance: As PET matte silver paper is commonly used in electronic and electrical fields, it should have good electrical insulation performance to ensure safe use.
Temperature resistance: High quality PET matte silver paper should be able to maintain stable performance and appearance within a certain temperature range, without deformation or melting due to high temperature.
3、 Application requirements
Printing effect: If PET matte silver paper is used for printing labels or packaging, it should be ensured that it has good ink absorption and printing effect to ensure the clarity and integrity of text, patterns, and other information.
Waterproof and oil resistant: According to the requirements of the usage scenario, high-quality PET matte silver paper should have certain waterproof and oil resistant properties to ensure the clarity and integrity of the label can still be maintained in damp or greasy environments.
4、 Environmental friendliness
Material selection: Choose PET matte silver paper made from recyclable materials to reduce environmental pollution.
Production process: Understand whether the production process of PET matte silver paper is environmentally friendly, whether harmful chemicals are used or harmful waste is generated.
5、 Brand and Manufacturer
Brand reputation: Choose PET matte silver paper produced by well-known brands or manufacturers with good reputation to ensure product quality and after-sales service.
Manufacturer strength: Understand the manufacturer's production scale, technical level, and research and development capabilities to ensure that they can produce high-quality PET matte silver paper.
6、 Testing and Validation
Pollution resistance test: Substances with strong coloring pollution (such as curry) can be used for testing to observe the pollution on the surface of PET matte silver paper.
Scratch resistance test: Use Martindale instrument to conduct manual wear test on the surface of PET matte silver paper to observe its scratch resistance performance.
Mark resistance test: After leaving a message on the surface of PET matte silver paper with an oily pen, wipe it with ethanol and observe its mark resistance performance.
In summary, when selecting high-quality PET matte silver paper, it is necessary to comprehensively consider multiple aspects such as appearance quality, performance indicators, application requirements, environmental friendliness, brand and manufacturer, as well as testing and verification. By careful comparison and selection, one can ensure the purchase of high-quality PET matte silver paper that meets their needs.