Multilayers Polyethylene Film for Crop Protection in Harsh Climatic Conditions

Table 1

Elastic modulus and elongation at break for virgin and aged mono-, tri-, and five-layer.

Type of film	Five-layer initial	Five-layer sand-wind	Trilayer; initial	Trilayer; sand-wind	Monolayer; initial
Elastic modulus; (MPa)	0.64	0.78	0.77	0.88	0.31
Elongation at break (%)	840	820	420	410	260