Silage plastic sheets are made from high-quality polyethylene plastic and are used to encase an oxygen barrier film inside a structure. These structures protect against heat damage to a building and can withstand extreme weather conditions, such as snow loads and gale-force winds. They also prevent mould formation on the exterior of the building, meaning that any repairs that may be needed to the exterior will not damage the internal structures. It means that these plastics can be used for any building structure where protection from heat, cold, moisture or corrosion is required.
Silage plastics are particularly effective at preventing the formation of moulds in agricultural plastics, as they have a much higher melting point than other types of plastic. Because of this, they are excellent at protecting crops, seeds and plant food. The oxygen barrier film forms due to the properties of silage plastics, which are unique compared to those of other polyethylene sheets. It means that it can form an oxygen barrier when the plastic is exposed to oxygen. However, if the external oxygen is replaced by that from the surrounding environment (e.g. heat), the plastic would no longer prevent the formation of moulds.
Many industries across the UK manufactures silage plastic and use them in a variety of applications. The most common use of the plastic would appear to be as bunker covers. Bunker covers are structures that are meant to hide military or other underground storage facilities from the public. As they require a thick covering, it is often difficult to manufacture the plastic barriers required to meet the abovementioned requirements.
When silage plastic films are used as a cover for the underground storage facilities, they can be extremely effective at preventing the formation of moulds in the agricultural plastics they are intended to support. However, if the chemical composition of the agricultural plastics to be supported is less than ideal for the environment, it may not be possible to manufacture the protective barriers needed. The other common application of the plastic film would appear to be for burial. With the increasing pressures in burials across the globe, more companies and organisations face the problem of how to dispose of the chemicals used in the manufacturing of agricultural plastics.
As well as helping to reduce the amount of surface spoilage caused by silage plastics, the oxygen barrier film can also help prevent the formation of bacteria on the surface of the plastic, which could affect the performance of the laboratory test results. Another benefit of the oxygen barrier film is that it does not attract organic compounds such as oil or grease. So it acts as an excellent preventative measure to help keep the labelling and packaging fresh. By using plastic to its full potential, the silage plastics industry can reduce the number of pollutants sent off into our environments.