What is a yellowing resistance testing machine?
In industrial production, especially in fields involving plastics, rubber, coatings, textiles and other materials, yellowing resistance is an important quality indicator. The yellowing resistance testing machine is a testing equipment specially used to simulate the degree of yellowing of materials under light, thermal aging and other environments. This article will introduce in detail the definition, working principle, application fields and recent hot topics of yellowing resistance testing machine.
1. Definition of yellowing resistance testing machine

The yellowing resistance testing machine is an instrument that detects the degree of yellowing of materials under specific conditions by simulating natural light or ultraviolet irradiation. It is widely used in plastics, rubber, coatings, textiles and other industries to help manufacturers evaluate the weather resistance and service life of products.
2. Working principle of yellowing resistance testing machine
The yellowing resistance testing machine mainly completes the test through the following steps:
1.Light source simulation: The testing machine has a built-in ultraviolet lamp or xenon lamp to simulate natural light or ultraviolet irradiation.
2.Temperature and humidity control: Simulate different environmental conditions by adjusting the temperature and humidity in the test chamber.
3.Time setting: Users can set the test time according to their needs, usually ranging from 24 hours to hundreds of hours.
4.Assessment of yellowing degree: After the test, evaluate the degree of yellowing of the material through a colorimeter or visual inspection.
3. Application fields of yellowing resistance testing machine
Yellowing resistance testing machines are widely used in the following industries:
| Industry | Application scenarios |
|---|---|
| Plastic products | Evaluating the color stability of plastics under UV exposure |
| Rubber products | Detecting the degree of yellowing of rubber after aging |
| paint | Test the coating’s weather resistance and yellowing resistance |
| Textiles | Evaluate the color change of fabrics when exposed to light |
4. Recent hot topics
Recently, yellowing resistance testing machines have become a hot topic in the following fields:
1.New energy vehicle materials: With the popularity of new energy vehicles, the yellowing resistance of plastic and rubber parts in the vehicle has attracted attention.
2.Environmentally friendly paint: The yellowing resistance of environmentally friendly coatings has become an important indicator for consumer choice.
3.smart home: The shell material of smart home equipment needs to have good yellowing resistance.
4.Industry standards updates: Recently, standards for yellowing resistance testing have been updated at home and abroad, promoting the technological upgrading of testing machines.
5. Suggestions for purchasing yellowing resistance testing machine
When purchasing a yellowing resistance testing machine, you need to consider the following factors:
| factors | Description |
|---|---|
| Light source type | UV lamp or xenon lamp, selected according to test requirements |
| Temperature and humidity range | Ensure that the testing machine can simulate the actual use environment |
| Test accuracy | High-precision colorimeter provides more accurate test results |
| Brand and after-sales | Choose well-known brands and ensure after-sales service |
6. Summary
The yellowing resistance testing machine is an important tool for testing the weather resistance of materials and is widely used in plastics, rubber, coatings and other industries. With the advancement of technology and the update of industry standards, the performance and functions of yellowing resistance testing machines have been continuously improved. Recently, demand in new energy vehicle materials, environmentally friendly coatings and other fields has promoted the development of the testing machine market. When purchasing, users need to choose the appropriate light source, temperature and humidity range and test accuracy according to actual needs.
Through the test of yellowing resistance testing machine, companies can better evaluate the service life and weather resistance of products, thereby improving product quality and market competitiveness.
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