What is EPP Foam? (Polypropylene foam)

EPP Foam


EPP foam, stands for Expanded Polypropylene foam, is a common term of EPP Foam is a material that is used for a wide variety of uses for packaging, buoyancy, insulation, protection etc. the EPP Foam or EPP Rubber made in a different procedure and you can buy this rubber sheets in different shapes.

History of EPP

The first development of Expanded Polypropylene in the 1970’s by JSP, as a result of research into new generations of polypropylene. The first applications of EPP Rubber is used in automotive industry the far east. Demand for EPP has surprisingly increased on every application in the world on the need of automotive industry to improve energy & oil industry whilst reducing weight for high tech materials and improving benefits on every aspect.

One of the main uses of Expanded Polypropylene was for an energy absorbing component in a system for bumper producing. Expanded Polypropylene has a wide variety of application such as automotive applications, parts and systems, including seating and other interior component parts.

Expanded Polypropylene (EPP) is a popular material in the shipping industry, that means it is an ideal thing for packaging to avoid damaging. You can find the white color of EPP Foam in this application.

Also, different colors can be found in different industries for example the black one is used in automotive industry.

Expanded Polypropylene is available in different types & necessary for a wide range of uses, according to the technical requirements. For example, the high-density types are used in energy management that is so important.

These types are used in bumpers and interior safety components for passengers. After all, the low-density types are used for packaging, and medium density types can be found in different application like furniture and the others.

The Low Emission types are minimizing automotive interior parts. The benefits are available like Anti-static, dissipative and conductive grades, typically used for special packaging requirements.

EPP Foam is one of the most important Product in thefoam& rubber industry. These rubbers can be placed in different molds, allowing them to form variable shapes.

Expanded Polypropylene can be used in different application that you can’t even expect! Let’s have a look at some of the most common uses & applications of Expanded Polypropylene.

Polypropylene foam

Automotive Industry

One of the most important industry for EPP is the automotive industry. We have lot of reasons why EPP has become so common in this industry.

You need to know that car manufacturers appreciate how durable and practical it is. For example, Expanded Polypropylene can be found in different products.

We can mention some of the main uses of Expanded Polypropylene such as door panels, headrests, sun visors, bumpers, seats and constructions.


Packaging is one of the most important uses of Expanded Polypropylene. Manufacturers & distributers are always looking for the premium, reliable & high-end products.

According to this, Expanded Polypropylene is one of their main choices. Always we can have lots of reasons for using EPP Rubber.

If we want to talk about the benefits of EPP Foam, we can say that the Expanded Polypropylene foam is very lightweight.

That means the shipping price is not much at all. After that, it is also a shock absorption material.

You can guarantee the product that you can protect with EPP Foam. You can buy the cost effective EPP foam, that means there is no need to buy the expensive EPP for packaging.

Industrial Products

Manufacturers are usually offer the expensive material as the cheaper price.

They can do this by using EPP foam. The lightweight EPP Foam can easily cut into different types & shapes.

Expanded Polypropylene are very durable, made the industrial products last for a long time and also the cost-effective rubber among the others.

They can also the energy absorber. According to this, they can be used to create a safer place for working, providing protection in every way.

You to know that the Expanded Polypropylene (EPP) products are very strong. This means it so durable.

Polyethylene Foam Manufacturers (PE Foam)

PE Foam (Polyethylene Foam) stands for Poly Ethylene, is a final product that is a result of ethylene polymerization.

Consumer Goods

Expanded Polypropylene is used to create a range of consumer products. We have some reasons for this. At first, you need to know that EPP rubbers are lightweight.

This guarantees that products made from EPP will be easy to transport. The Expanded Polypropylene can be molded easily into a different range of types.

Producers can also color Expanded Polypropylene; this makes it ideal for creating products like colorful toys for children.

The EPP foam is anti-microbial. This makes it ideal for creating products like food coolers, reducing the chances that people will get diseases from using the container. According to these benefits, there are products that are made from Expanded Polypropylene (EPP).

We can also mention the application of EPP rubers like furniture, model aircraft, floor levelers and shelving units.

EPP foam plays an important role among the others. You can find the EPP Foam in different industries.

This is because of a range of unique qualities that this substance possesses. Hopefully, you now have a better understanding of what EPP foam is and how it might be used.

Video: EPP Foam Sheet (White)

What is EPP foam used for?

You need to know that foams are so popular today for every application. We want to introduce one of the most advanced foams in these days. The EPP foam!

EPP foam stands for “Expanded Polypropylene”, has a wide variety of application & many benefits like insulation, buoyancy, protection and it can be used for packaging.

EPP foam is made by different methods like molds and it is available in different sizes in different sheets & different rolls.

About EPP foam

EPP is a closed cell foam that needs a critical and complicated producing procedure, with highly precise customization material operated by expert technicians. The EPP foam can be built into variable shapes and formats, and shapes are often used, rely on the desired orders. The material is spongy, contains of some PP beads. These beads let air pass through each other, helping insulation that they are acoustics and weight decrease. Thanks to this diversity, it is highly desired in many industries, shipping, constructions and so on. Expanded Polypropylene is a good and cheap material for many applications like thermal insulation. Also, for its high buoyancy, it is a water resistance & it can resist against chemicals. EPP foam is also substantial. The EPP is also a sustainable material.

Expanded Polypropylene is a desired material in different industries. It can be used for packaging & shipping industry. For a wide range of applications & benefits, EPP Foam can be produced in different colors & different shapes depends on customization & orders.

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EPP foam Applications

EPP foam Applications

Expanded polypropylene (EPP) is a considerable material with many potentials. It’s very useful! Thanks to the acoustic absorption properties like thermal insulation, and sustainability.

Expanded polypropylene is so popular. EPP foam has a complicated manufacturing procedure, that means, you need to have a special tools & equipment.

For ease of EPP foam production, you need to use highly experienced technicians with high end instruments.

In fact, EPP foam can be formed in many different shapes, it can be produced in different colors, depends on the specific industrial uses.

Expanded polypropylene (EPP) can be manufactured in great numbers, and it is usually considered more affordable than other materials with resemblance features, yet just as useful. EPP foam consists of polypropylene beads that are not packed together densely. they allow some air space between the beats.

This is great for acoustic & thermal insulation. In fact, they trap sound waves and air. In addition to that, the particular fundamental of the material also means that Expanded polypropylene is very light-weight.

This is why it’s often used in the industries like automotive when insulation is required, without wanting to add more weight.

EPP is also an excellent choice to protect items in boxes and packages, without adding too much extra weight.

EPP Advantages

EPP Foam has closed-cell structure. The EPP foam is multi-functional with wide range of application. Thanks to the providing optimal energy management,

The EPP foam is a durable, lightweight and recyclable.

  • EPP foam applications:
  • Home appliances
  • Wrapping
  • Industrial packaging
  • Automotive equipment
  • Logistics
  • Shipbuilding
  • Food industries
  • Waterproofing
  • Constructions

Suitable for a wide range of foam fabrication processes

The versatility of expanded polypropylene is the result of almost 50 years of research that has seen it become one of the most used products on the planet. Nowadays, EPP foam is heavily used in numerous manufacturing industries for its indisputable advantages.


Expanded polypropylene (EPP) foam is a heat resistance that makes it very good insulation. EPP foam is popular in food industry to keep the foods and beverages safe. EPP foam can keep most products at a stable temperature range from -40 to +60 °С in normal conditions.

Interestingly, expanded polypropylene foam avoid microbial growth on the surfaces of packaging. This is one of the main concerns of food industries. Thanks to the fire-retardant agents, this foam has a low chance of getting flames and fires.


One of the main benefits of Expanded polypropylene foam is its resistance to water. Even in conditions of high humidity, the material maintains its mechanical features and ensures optimal water occlusion.

Furthermore, EPP foam provides long-term buoyancy that makes it suitable for shipbuilding industry.


EPP doesn’t have an alternative as a component material for the producer of front and rear bumpers.
The materials that they are lightweight, renowned for its shock absorption, allows us to continually upgrade the features of our products by optimizing the whole weight of the motor vehicle and pedestrian safety products.

The performance of our bumpers is guaranteed within many Industries and manufacturers by extremely stringent quality control.

Motor vehicle seats foam

Motor vehicle seats

The use of flexible, lightweight materials in the motor vehicle part production process gives rise to a reduction in tool costs for the manufacturer and fuel savings for the end customer.

Therefore, for producing motor vehicle seats, no material is as reliable or as economical as Expanded Polystyrene (EPP).

EPP provides the vehicle not only with optimum passenger comfort, but also safety, which is a fundamental factor.

Motor vehicle interior components

Expanded Polypropylene (EPP) and Expanded Polystyrene (EPS) have a combination of properties which are perfectly suitable for motor vehicle interiors: impact resistance and shock absorption capability.

These materials are sturdy, chemically neutral and 100% recyclable, making them environmentally friendly.
Furthermore, due to their incredible soundproofing capabilities, these materials provide ideal comfort by eliminating engine noise and vibrations.

Side impact protection system

Like many Industries, we are also experienced in designing customizable side impact protection systems for our automotive industry customers.
Our expertise in the manufacture of EPP and EPS items and component solutions is renowned.

The materials used ensure that the items produced are perfectly lightweight and offer ideal shock absorption, guaranteeing driver, passenger and pedestrian safety.

EPP SIP (Side Impact Protection System) components are structurally sound and are an ideal complement to other safety systems, such as seat belts, airbags and columns and roof linings. Door padding is typically used for side impacts.
Cushions & padding

Our cushions made of expanded polypropylene level unevenly shaped vehicle floors perfectly. With their plastic material, cushions can be processed or modified to provide a uniform floor area.

Headrests foam

Headrests foam

For years, Knauf Industries has been specialized in the mass production of headrests ensuring driver and passenger safety.

Our headrests manufactured from expanded polypropylene can be combined with steel frames, trims and comfort foams.
头枕生产的EPP材料选择lightweight and absorbs the effects of an impact in the event of a crash. It also allows a variety of design and style options.


Storage case & tool box Expanded polypropylene is the material of choice for original equipment manufacturers (OEMs) in the automotive industry and tier one OEM suppliers for tool boxes and spare wheel kits.

They are both strong and lightweight and can be designed with specific modifications to hold tools securely. Moreover, our EPP molded tool boxes have the option of including fastening inserts and can be surface-finished for an exceptional aesthetic finish.


Foam steering column
The EPP foam steering wheel steering column is essential to protect against injuries.
Absorption by shockproof PP foams ensures driver safety in the event of an accident.


Handling is a critical parameter in ensuring the optimal safeguarding of important components in transit throughout the logistics chain.
Our Industry is specialized in the production of reusable packaging for the automotive industry.


  • What are the EPP foam main features?

    发泡聚丙烯(EPP)是一个非常多才多艺的closed-cell bead foam that provides a unique range of properties, including outstanding energy absorption, multiple impact resistance, thermal insulation, buoyancy, water and chemical resistance, exceptionally high strength to weight ratio and 100% recyclability.

  • Is the EPP foam waterproof?

    Yes, One of the main advantages of EPP foam is its resistance to water. Even in conditions of high humidity, the material maintains its mechanical properties and ensures optimal water obstruction.

  • Is the EPP foam lightweight?

    EPP is used increasingly in furniture, toys such as model aircraft and other consumer products due to its versatility as a structural material and its light weight.

  • What is the EPP foam applications?

    EPP is widely utilized by automotive manufacturers because of its performance benefits for energy management, lightweight, enhanced functionality, durability and recyclability.

    Applications include seating, bumpers, stowage systems, door panels, pillars, floor levelers, parcel shelves, head rests, tool kits, sun visors and myriad filler parts.

  • Is EPP foam closed-cell?

    EPP foam is an example of a closed cell foam material that is currently used for protective applications, for instance in cars.

    占主导地位的通常是com加载模式pression when used as an energy absorber.

    However, other modes such as tension and shear are also present in a realistic impact scenario, for example if bending is seen.

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