Pay Attention to Four Indicators of Plastic Film

Winter resistance and heat preservation perfomance:
Many people usually blandly choose the low cost and low quality product when they need to change their plastic film of the greenhouse. But the best choice is to buy the high quality and high effective, thickness and strengthness films which will be reliable and longlasting.

Tear strength:
The tear strength indicates the film's strength of bi-directional stretching and longitudinal stretching. The film of strong tear strength will not be likely to cause tearing or just cause light tearing in spring wind.

Transmission performance:
In many provinces of our country, in spring dust is stronger than that in other seasons. Naturally, the film will be dusted. But if the film is of food light transmission performance, it appears to be clean and dustless. Or you just need to watch it by little water, it will be very clean. The transmission performance directly influences the temperature and the light intensity on the greenhouse crops.

Droplets atomization performance:
The greenhouse film is divided into two kinds--the drop film and anti-drop film. The high quality film have better atomization degree, which will not appear the drops in the greenhouse. When it is very humid in the greenhouse, the water vapour will drop down the film to the ground. The good film has a right and wrong side and therefore is not considered to be reversible.

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