Study of Natural and Accelerated Weathering on Mechanical Properties of Antioxidants Modified Low Density Polyethylene Films for Greenhouse

Table 3

Tensile strength of LDPE films under natural and accelerated weathering.

Sample	Tensile strength (MPa)
	Accelerated weathering			Natural weathering
	0 h	75 h	100 h	0 day	90 days
Neat LDPE	38.3	19.6	15.3	38.3	10.3
GR-0.2	29.7	23.1	20.9	29.7	6.3
GR-0.5	16.2	12.7	9.8	16.2	8.7
GR-2.0	27.1	8.4	5.3	27.1	7.6
AN-0.2	33.7	25.3	21.8	33.7	10.9
AL-0.2	26.3	20.5	13.0	26.3	2.7