| 常见的棚膜种类有哪些 |
| 添加时间：2019/10/25 14:09:27 浏览次数： |
| 常见的棚膜种类有哪些 What are the common types of shed film 大棚蔬菜生产中常用的棚膜有三种：聚氯乙烯压延(PVC)薄膜、聚乙烯(EVA)吹塑薄膜 、聚乙烯 (PE)棚膜 。 There are three kinds of shed films commonly used in vegetable production: PVC calendering film, EVA blow molding film and PE shed film. 1、EVA膜：是使用的最多的棚膜，9丝后的每平米2元左右，保温性能很好，适用于茄果类蔬菜和瓜类蔬菜。 1. EVA film: it is the most widely used greenhouse film. After 9 silk, it costs about 2 yuan per square meter. It has good heat preservation performance and is suitable for Eggplant and fruit vegetables and melon vegetables. 2、PVC膜：不耐老化，防尘性差，每斤7元左右，应用比较广。 2. PVC film: it is not resistant to aging and has poor dustproof performance. It costs about 7 yuan per Jin and is widely used. 3、PE膜：保温性差，价格便宜，一般用于覆盖拱棚，种植春提前或者秋延后茬口。 3. PE film: poor heat preservation and low price, generally used to cover the arch shed and plant the stubble before spring or after autumn. |
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