• 2025-12-25

To ensure the safety of children's toys, the EN 71 series of standards was established. This series includes EN 71-1, Test methods for mechanical and physical properties. 1. Standard Description EN 71...

• EN 71-1 Safety of toys tester
• Flammability tester for EN 71-2
• Migration of Certain Elements for EN 71-3

• 2025-12-29

1.What is Delta E? Delta E is a calculation method used to measure the difference between the displayed color and the input color. A lower Delta E value indicates higher accuracy, while a higher Delta...

• Lab Color Values Represent
• color values represent
• tester quantifies the difference between two colors