GT-7034-N
Scratch Resistance Tester

1. Purpose:
　　This machine is designed for determining the resistance of plastic products to scratch.

2. Principle:
　　A load of 7 N is applied to the specimen fixed vertically in a clamp. The clamp is moved back and forth to make the piano wire to rub against the specimen. The specimen is examined for signs of wear after a predetermined number of cycles.