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Corrugated plastic, also known under the tradenames of Coroplast, Correx, Corriflute or Twinplast, refers to a wide range of extruded twinwall plastic sheet products produced from high impact polypropylene resin with a similar make up to corrugated fiberboard. It is a light weight tough material which can easily be cut with a craft knife.
Chemically, the sheet is inert, with a neutral pH factor. At regular temperatures most oils, solvents and water have no effect, allowing it to perform under adverse weather conditions or as a product component exposed to harsh chemicals. Standard sheets can be modified with additives, which are melt-blended into the sheet to meet specific needs of the end user. Special products that require additives include: ultra violet protection, anti-stat, flame retardant, custom colors, corrosive inhibitors, static-dissipative, among others.
This material is commonly used to create commercial signs and for constructing plastic containers and reusable packaging. It is widely used in the packaging of automotive and electronic parts as well as agricultural produce.
It has recently found a use among guinea pig, rabbit, domesticated hedgehog and other small pet enthusiasts as a component of a type of DIY cage1. Additionally, it is used by members of the remote-controlled aircraft community to build nearly indestructible 2 SPAD (simple plastic airplane design) model aircraft. In Australia, political placards are almost exclusively produced from corrugated plastic and widely known by the tradename Corflute.citation needed.
At least one manufacturer4 of air-to-air heat exchangers (used in heat recovery ventilation) uses a fused stack of sheets of this material alternating with spacers made of the same material as the heat exchange medium. One air stream passes through the corrugated channels in the interior of the sheets, while the other passes between the exterior layers of the stacked sheets.
Corrugated sheet is recyclable and is therefore considered by many to be environmentally friendly.
References
- ^ Guinea Pig Cages
- ^ SPAD
- ^ US patent 4820468 “Method for making welded hollow plastic plate heat exchangers.”
- ^ Building Performance Equipment, Inc.
See also
Wikipedia content modification information:
- This page was last modified on 7 September 2008, at 04:36.
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