What is corrugated plastic?

When searching for signs, plastic box, protection material, or replacement of corrugated fiberboard, you might be exposed to corrugated plastic products.
So is it the product suitable for these needs? We have some brief introductions here.

What is it

Corrugated plastic is combined with three layers, two flat layers, and one ribbed center layer.

Just as its name, it has a corrugated surface and is made in polypropylene material. And corrugated plastic is also known by different names, such as coroplast, corflute, correx, and cartonplast.

At first, it is invented to replace corrugated cardboard. But after decades of years, corrugated plastic has been widely used in different areas, because of excellent characteristics.




Thickness From 1.5mm to 13mm
Width Max 2600mm
Length No limitation can be made in rolls
Weight 250 g/m2 -3000 g/m2
Color White, black, blue, grey, green, or any custom color
Type UV-protection, ESD-protection, flame retardant, bio-degradable
Options Sheet, rolls, boxes, die-cut, edge welded, laminated, OEM offered


The advantages

Corrugated plastic sheets have many advantages, which make it a good replacement for corrugated cardboard, Polywood, and corrugated fiberboard.

  • Durable and lightweight
  • Chemical and water-resistant
  • Easy to fabricate, and good impact resistance
  • Excellent versatility and reusability, but cost-effective
  • Customer color and easy to cut into different shapes
  • Can be made for specific needs, UV protection, anti-static, flame retardant, etc.


The uses

Because of the good characteristics of corrugated plastic, it has many uses and also will be discovered for more and more.

Industrial Packaging

Durable, impact-resistant, waterproof, and light-weight, corrugated polypropylene is an ideal material used as packaging material in many industries.

Often used throughout industrial plants, automotive plants, post offices, warehouses, retail stores, and distribution centers.

Corrugated plastic box is a light, yet strong alternative to molded plastic, wood, and metal containers.

Corrugated Plastic Box


It is called beam formwork or ground form when using in construction. It provides contractors with a fast and effective means of forming ground beams and pile caps.

It is a permanent formwork system used for applications including pile cap and ground beam construction.



They are ideally suited for a wide variety of indoor and short-term outdoor uses. A lightweight and cost-effective visual communications solution. Very easy to handle.

UV printing, screen printing, flexo printing or any adhesive backed vinyl are available choice. It can come in differnt sizes, shapes, and colors.


Fresh Packaing

Made from food contact grade Polypropylene, corrugated plastic is an ideal choice for the food industry. Because of chemical-resistant, waterproof, it is suitable for vegetable, fruit, and seafood packaging. Cool or hot, it can last a long time, compared with cardboard boxes. And it is can be easily folded and stored, which will help to a supply chain.


Layer Pads

Cost effective and reusable solution for keeping objects, such as cans, glass and PET bottles. It help to secure products during transit in the food and beverage industry.

The layer pads can come with welded edges, and round corners, which makes cleaning simple, effective, and reduces contamination risks. It also makes it reusable and washable.

Can be printed in personalized LOGO, it will help you to enhance your brand image.

Beverage Layer Pads

It is not all for corrugated plastic uses. Contact us with your requirements. We are happy to help.

Picture of Pitt


Picture of Pitt


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Technical Data Sheet
Physical Qualifications 
Qualifications Method Unit Polypropylene *
special PP weight ISO 1183gr/cm³0.907
water absorbtion ISO 62%0.02
Thermal Specialities 
Speciality Method  Unit Polypropylene*
Air indexASTM D696mm/m°C0.18
Special temparatureDSCJ/g°C1.68
Thermic inflexion temp. ISO 75°C78
Thermic inflexion temp.ISO 75°C52
vicat softening temp. ISO 306°C148
vicat softening temp.ISO 306°C78
Mechanic Qualifications  - 1
qualifications Method  Unit Polypropylene*
drawing resistance ISO 527MPa38
split point ISO 527%800
stretch index ISO 178MPa1250
impact resistance ISO 180kJ/m²80
Shore hardnessISO 868-66
Mechanic Qualifications  - 2
qualifications Method  Unit Polypropylene*
comparasion of maximum 2,1mm/350grN/cm²Min. 3,7
tension 2,0mm/400grN/cm²Min. 1,4
3,0mm/650grN/cm²Min. 5,5
4,5mm/1000grN/cm²Min. 14,4
Optical Characteristics 
Specialities MethodUnitcorrugated sheet 
light transmissivity 2,0mm/400gr%58
Electrical Characterictics 
qualifications  MethodUnitcorrugated sheet 
surface resistanceASTMD 257ΩCa. 1013
Electric static ( at 1MHz’)ASTMD 150--2,25
Division rate  (at  tg δ 1 MHz )ASTMD 150--‹ 5×10-4
Electric resistance  ( 500 V/sec)ASTMD 149kV/mm70

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