FYI Tester Instrument

What makes a fabric strong enough to last?  In the textile industry, one of the most important ways to judge fabric quality is by checking its tear strength—the ability of fabric to resist tearing when pressure is applied. This property matters in all types of products, from military uniforms and parachutes to sails and everyday clothing. To measure this, the Elmendorf tearing tester is the global standard. Also called a tear strength tester, it uses a pendulum system to recreate real-life tearing and provides accurate, reliable results. This makes it an essential tool for quality control and research. In this guide, we will explain everything about the Elmendorf tester—how it works, why it matters, and how it supports textile professionals in ensuring fabric durability. What is an Elmendorf Tearing Tester? An elmendorf tearing tester is a special machine that measures how much force it takes to tear fabric. Think of it like a controlled way to rip fabric and measure exactly how ha...

The slip resistance of shoes  directly affects safety and comfort during wear. Poor slip resistance can easily lead to slipping and falling while walking. Slips, trips, and falls are already recognized as one of the main causes of accidents in workplaces, public areas, and home environments. The slip resistance of footwear can be represented by the dynamic and static coefficients of friction between the sole and the ground. A higher coefficient of friction indicates better slip resistance. Basic Principle of Slip Testing From a mechanical perspective, the sliding friction force between two contacting objects depends on two factors: the coefficient of friction between their contact surfaces and the normal force applied to the object. The slip resistance between two contacting objects can be represented by the magnitude of the coefficient of friction. According to tribological principles, μ = f/N, where μ is the coefficient of friction, f is the friction force, and N is the normal fo...