Hot Tack Testing Machine For Laminated Film -ASTM F1921, ASTM F2029 GBR can be used to measure the hot tack seal strength of various packaging films at different temperatures and different hot tack time. The impact test was carried out on the hot tack parts directly by imitating the using state of packaging bags. The unit is "N" and various parameters can be set arbitrarily. P.I.D control system is adopted for high control accuracy. LCD display, data can be seen directly, convenient to use.