Application
The VIT-221 Precision Bean Bag Snag Tester is designed to assess the snagging and picking resistance of knitted and woven fabrics. It works by tumbling fabric-covered bean bags inside two separate cylindrical test chambers lined with pinned bars. This motion simulates real-world snagging conditions, making it an essential tool for evaluating fabric durability and quality.
Understanding Fabric Snagging Fabric snagging occurs when threads in the material are pulled, creating visible defects. It’s a common issue in long silk and knitted fabrics, affecting both appearance and durability. The VIT-221 helps identify the snag resistance of fabrics, aiding in quality control and product improvement.
Testing Method
The test involves placing a weighted bean bag inside a fabric specimen and then loading it into a cylindrical chamber lined with pinned bars. As the chamber rotates, the fabric-covered bean bag repeatedly contacts the pins, simulating real-life snagging conditions. After completing the specified number of revolutions, the sample is evaluated to determine the fabric’s snag resistance.
Testing Procedure
- Prepare the sample: Cut the fabric according to standard requirements and inspect it for any existing defects.
- Insert the bean bag into the fabric specimen and securely stitch the ends.
- Place the prepared specimen inside the cylindrical test chamber.
- Close and secure the chamber’s ports.
- Set the revolution counter to 100.
- Start the machine and allow it to complete the test cycle.
- Once the test ends, carefully remove the specimen and assess it for snagging damage.
The VIT-221 Precision Bean Bag Snag Tester is an indispensable tool for manufacturers, research institutions, and quality control laboratories, providing reliable and consistent results in fabric durability assessment.
