SL-L09 Light Bulb Yellowing Resistance Testing Machine

Applications of Light Bulb Yellowing Resistance Testing Machine:

A: A yellowing resistance box is used to simulate daylight natural light irradiation and a temperature control device is used to simulate the natural environment, through the test specimens were observed after a certain amount of time and distance of the yellowing degree to try to evaluate the test samples under the natural light to illuminate the ability of resistance to yellowing.

B: Place the test specimen in a high-temperature environment, after a certain amount of time by evaluating the appearance of the test specimens of variations and comparing the physical properties and changes in the size of the material were tested to evaluate the thermal performance.

How do you keep white shoes from turning yellow after washing?

After rinsing them with water, while they were still wet, she covered them with toilet paper and left them to dry in the sun. By the way, this trick also works with colored sneakers as well as running shoes.