What is Coroplast made of?
Coroplast® is made from a combustible thermoplastic material, polypropylene. Coroplast® is combustible and may release harmful toxins at temperatures of 600 degrees F.
What is Coroplast used for?
Compared with cardboard, Coroplast has the advantages of being waterproof and colorfast. Corrugated plastic is widely used for signage, plastic containers, and reusable packaging. It is also used by hobbyists in do it yourself projects such as constructing cages for small animals or model aircraft. While Coroplast is a brand name, corrugated plastic is a broader term encompassing various brands and products of similar materials. The main differences can be summarized as follows: Branding: Coroplast is one of the most recognized brands in the corrugated plastic market.Many people confuse PVC and Coroplast because they’re both plastic. But they serve very different purposes. Coroplast is a fluted polypropylene sheet, while PVC is a solid, dense plastic.
How strong is Coroplast?
Coroplast holds up to wind, sun, and repeated handling, making it the go-to substrate for professionals who want both longevity and print performance. It’s compatible with UV flatbed printing, vinyl graphics, and laminated overlays — ensuring your branding stays crisp and clean. Thickness determines durability, cost, and use case. Coroplast is commonly available in thicknesses from 2mm to 10mm, with 4mm being the most standard for signage and packaging.Coroplast® sheets, 2mm to 10mm, are electrostatically double treated by “Corona Discharge” on both sides to allow specifically formulated inks and adhesives to adhere. Graphic sheets for printing applications have a 5,000 ft₂ minimum per thickness, color, size and must run together.
Is Coroplast strong?
Coroplast signs are ideal for outdoor usage because they have a plastic coating and are strong enough to withstand all kinds of weather conditions including strong winds, rain, and snow. Waterproof: Completely waterproof, Coroplast remains intact and functional in wet conditions, suitable for both indoor and outdoor use.
How long does Coroplast last?
You can expect your coroplast signs to last anywhere from six months to two years, depending on the weather conditions they’re exposed to. Coroplast signs can last and maintain their quality for as long as 1-2 years outdoors. Coroplast signage does become brittle over time and will begin to crack after long term use. All forms of printed signage fade over time depending on sun exposure, temperature, orientation, and moisture.