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Lexan Polycarbonate Sheets Typical Uses by Emco Plastics
Lexan Polycarbonate Sheets Typical Uses by Emco Plastics
We get a lot of questions about lexan polycarbonate sheets as a greenhouse covering. For the most part we find that people want to over complicate the issue. This information will address precisely what greenhouse lexan polycarbonate sheets are.
Cedar Groove,
NJ,
United States
(pr4links.com)
27/01/2011
Cedar Groove, NJ - January 25, 2010 –- Lexan polycarbonate sheets, simply put, really are a plastic. They are lightweight (1/6th the weight of glass), virtually unbreakable (impact strength 200 times greater than glass), have superb weather resistance (due to the UV protection on one or two sides of the sheets), have superb insulation (because of the multiple levels with channels in between) and are flexible and simple to install (see specific information on each thickness). You can purchase it in solid sheets, corrugated, or multiwall. The typical configurations used for greenhouse glazing are corrugated and multiwall. The reason the solid sheets aren't recommended is due to the fact that they are not widely available with a UV protection on one side. The actual UV protection will keep the sheets from yellowing or even getting brittle. Some people may mistakenly believe this impact the light transmission of the sheets. It has nothing to do with that. The sheets with UV protection on one side are typically guaranteed for 10 years against yellowing and hail damage. This will change from manufacturer to manufacturer. There are also sheets available with UV protection on both sides. These are generally used for vertical applications such as fencing where both sides of the sheet are exposed to the sun. Although this may be used for a greenhouse, it's typically more costly and unneeded.
Corrugated sheets are lexan polycarbonate sheets(http://www.emcoplastics.com)which are typically really thin, generally 0.8mm. It is available in a wavy or greca design. It will work great for the greenhouse, but will not have as much insulation as a twin wall sheet.
The easiest way to visualize a twin wall sheet is to consider looking down the edge of a cardboard box. There is a sheet on the inside, a sheet on the exterior with a rib running in between the sheets. The rib inside a cardboard box will be wavy. The actual rib in lexan polycarbonate sheets runs straight between the 2 sheets. Both sides of the sheet are flat. The lexan polycarbonate sheets are clear, but not "crystal clear" like glass. The rib will distort your view somewhat. It is available in 6mm, 8mm, 10mm as well as 16mm thickness. The 16mm is typically a triple wall - which means there will be a sheet running between the two exterior lexan polycarbonate sheets(http://www.plasticmachinings.com). There are also some 8mm sheets available as a triple wall. Usually, the heavier the sheet, the better the insulation factor. One should consider the initial price of the polycarbonate when it comes to the overall savings due to energy costs. The 16mm sheet is about 5/8" thick.Lexan polycarbonate sheets(http://www.industrialplasticfabrication.com) are shipped by truck because they can't be rolled and must be shipped flat.
The majority of greenhouses tend to be glazed with clear polycarbonate. It's available also in bronze and opal. These will cut down on light transmission drastically. Of course, whether you want to consider opal or bronze will depend on the needs of your unique plants. In closing, lexan polycarbonate sheets are an excellent choice with regard to greenhouse glazing. It is easy to install and durable.
Contact :
Emco Industrial Plastics
Cedar Groove, NJ
888-588-0597
support@kjprnews.com
http://www.emcoplastics.com
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KJ Public Relations
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http://www.kjprnews.com
+91-996-269-3108
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