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Coroplast is a corrugated polypropylene material used in many industries. It is ideal for indoor as well as outdoor applications. Coroplast is more durable than cardboard and lighter than solid sheet. It is also stain resistant and waterproof. Additionally, coroplast is a great material for printing with specific inks. 

 

Q: Is Coroplast® recyclable?

A: Yes, in most cases, standard Coroplast plastic sheets are 100% recyclable. We encourage the recycling of Coroplast plastic sheets. Due to the durability of Coroplast it can often be reused. If the product is no longer usable we recommend removing any non-polypropylene accessories if applicable and recycling. Polypropylene is coded 5 by the Society of the Plastics Industry. Some common uses for recycled Coroplast include automobile battery cases, signal lights, battery cables, brooms, brushes, ice scrapers, oil funnels, bicycle racks, rakes, bins, pallets, sheeting, and trays.

Q: Is it possible to bond or glue two pieces of Coroplast together?

A: Polypropylene is great for many uses due to the fact that it is resistant to chemicals; unfortunately the same properties make it difficult to bond using chemical bonding agents. However, several products have been developed recently by companies such as 3M that are designed to bond polypropylene structurally. Coroplast has not yet tested these products fully. 3M's Scotch-Weld™ Structural Plastic Adhesive DP-8005 is available from Grainger and other distributors for industrial use.

Heat welding with proper tools is an excellent method to bond two sheets of Coroplast®.

Q: Is it possible to paint on Coroplast?

A: Krylon Fusion® Spray Paint for Plastics will provide a thin durable layer. Follow the manufactures directions for application of the spray paint. Brushes and rollers are not recommended for direct application of paints to Coroplast because the paint layer is too thick and can easily peel and delaminate. For art projects you may use brushed application of compatible paints on top of the "primer"/ base layer of the Krylon Fusion® Spray Paint for Plastics.

NOTE: We believe the information contained in this FAQ is correct and to the best of our knowledge. The recommendations and suggestions contained herein are made without guarantee or representation as to the results. We recommend that adequate tests be made in the customer's laboratory or plant to determine if this product meets all of the customer's requirements.

Emco Industrial Plastics doesn’t claim to represent all of the manufacturers or trade name products listed. This list is intended as a guide of typical materials available for purchase from Emco Industrial Plastics, Inc. For additional information, use the form below to contact a representative.

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At a Glance

Generic Name
Fluted Polypropylene Sheet

Available In
Sheet

Certifications
ITAR Registered

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Technical Information

Stock Products Properties

Stock Products

TypeSizeLengthColor
Sheet Standard Size: 48" x 96" - Standard Thickness 4mm (.157") White, Black, Blue, Yellow, Green, Red, Gray, Natural
Extruded Offline Material 4mm: Width: +/- 1/8" length: -0 + 1 1/2" squareness: 5/8" warp/bow: 1.0"

Give us your cut-to-size dimensions. We will precision-cut these plastics to your exact size. Additional sizes and colors available upon request.

Properties

Physical PropertiesUnitsASTMResults
Gauge 4 mm +/- 0.15 mm
Density - Natural & White Grams/sq. meter D750 +/- 5%
Density - Natural & White lbs/1000 sq. ft. D150 +/- 5%
Density - Colors grams/sq. meter D700 +/- 5%
Density - Colors lbs/1000 sq. ft. D143 +/- 5%
Surface Tension dyne/cm (minimum) 46 46 dyne/cm (minimum)
NOTE: The property values presented above are typical values intended for reference and comparison purposes only. They should NOT be used as a basis for design specifications or quality control. Contact us for manufacturers’ complete material property datasheets. All values at 73°F (23°C) unless otherwise noted.
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