A. The surface of the film is sticky and the adhesion between the layers is good. The packaging does not penetrate oxygen. Impervious to water. The formation of an internal anaerobic environment.
B. The film has sufficient strength, including: tensile strength, tear strength and puncture resistance. To ensure that the forage silage process is not broken, to maintain the anaerobic environment.
C. Soft film, low temperature resistance, not brittle in cold environment. Freeze-cracking.
D. The film is opaque, ensuring low transmittance and avoiding heat accumulation.
E. Long service life, packed grass bundles can be stored in the wild. F. Reasonable ratio of low temperature triggers to ensure the fermentation of bad packets in 3 per thousand.