The STT-920 Reflective Film Impact Tester was developed by Beijing Runjie Tiandi Technology Co., Ltd. in accordance with the impact test method for reflective films in the national standard GB/T18833-2012 "Road Traffic Reflective Films" of the People's Republic of China. This device is simple and intuitive, making it an ideal equipment for production and quality supervision and inspection departments.

1、 Performance characteristics:
This instrument is designed to use the principle of free fall of steel balls to measure the impact resistance of reflective films for production and quality supervision and inspection departments.
2、 Technical indicators:
Steel ball mass 450 ± 3g,
The drop of the steel ball is 250mm.
Composed of alloy aluminum, organic glass plate, and steel plate, protected by an organic glass cover.