POTOP 4 times tension ratio biaxial stretcher specifically use for
1.new product research and development in the field of high-end film
2.laboratory for new film forming material physical properties and chemical properties test and analysis
3. high-end film formula design
4. process research and parameters optimization
#labequipment #laboratory #labinstruments #lab film stretcher
![](https://i.ytimg.com/vi/kf85-_C__pg/mqdefault.jpg)