A summary of polymers and their blends used for greenhouse applications are presented in Table 5.1. The EVA/LDPE blends show superior UV resistance as compared to LLDPE or LLDPE/LDPE blends (50/50). Additionally, the EVA also serves as infrared or thermic barrier film.
The partial prevention of the dissipation of the thermal energy (greenhouse effect) from the greenhouse during cool nights from EVA-based blended film is desirable. Thus, the temperature inside the greenhouse does not fall much and the productivity is not affected.
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