Polypropylene Foam

Polypropylene Foam

Expanded polypropylene (EPP) foam is a highly durable, closed-cell foam offering a unique combination of flexibility, resilience, and strength. It is designed to withstand extreme pressure, absorb impacts effectively, and function over a wide temperature range, making it an invaluable material in applications where durability, safety, and longevity are crucial.

Basic Parameters

PropertyBlack - 1.3LBWhite - 1.5LB
Density (LB/Cubic Ft.)1.3Range, 1.5 - 2.8
Compressive Strength (PSI)
@ 10%11.714.85 - 32
@ 25%14.519 - 42
@ 50%23.528.5 - 54
@ 75%4554.5 - 111
Tensile Strength (PSI)3846.75 - 67
Tensile Elongation (%)2019 - 16
Tear Strength (LB/In.)1011.5 - 16
Compression Set (%)
@ 25%87.5 - 7
@ 50%1412 - 13
Bouyancy (LB/cubic ft)60.560 - 59
Thermal Conductivity (K)0.260.25 - 0.26
Thermal Resistance @ 70F (R)3.83.9 - 3.8
Coeff. of Lin. Thermal Expansion (in/in/°F x 10-5)65.85 - 5.4
Service Temperature (°F; Max.)212212
Water Absorption (% [vol]/lb/ft2)<5.0/<0.02<5.0/<0.02
Compressive Creep (1000hr, % [PSI])1.8 [1.5]1.5 [1.75] - 1.5 [3.0]
Flammability (<4.0 in/min)PASSNA
Chemical Resistance (1 hr exposure [solvents, acids, and alkalines])PASSNA
Fuel Immersion (<5% [Change in Volume])PASSNA

Note: We can custom-cut the foam to size for any of your projects!

Special Properties

  • High Compressive Strength.
  • Exceptional Energy Absorption.
  • Wide Operating Temperature Range.
  • Excellent Thermal Insulation.
  • Chemical Resistance.
  • Fire Resistance.
  • Low Water Absorption and High Buoyancy.

Applications

  • Industrial Packaging

EPP foam is a preferred choice for packaging heavy or sensitive equipment due to its unparalleled compressive strength and shock absorption capabilities. It shields delicate items from vibration and physical impact, ensuring safety during transport or storage. Its durability also translates into a longer lifespan, offering value over time in repeated-use scenarios.

  • Thermal Insulation

With excellent insulation properties, EPP foam is widely used as an energy-saving material in insulation systems. The closed-cell structure minimizes heat transfer, providing effective thermal barriers in both industrial and residential applications. EPP is used in building insulation panels, and HVAC systems, and as a barrier in temperature-sensitive packaging.

  • Marine Applications

EPP foam's low water absorption and high buoyancy make it highly effective in marine environments. It is commonly used in the production of buoys, flotation devices, and other water-related applications that demand buoyant, moisture-resistant materials. Its resistance to saltwater corrosion further enhances its value in marine settings.

  • Automotive Industry

The automotive sector relies on EPP foam for components such as bumper cores, seating, and energy-absorbing panels. The material's high impact resistance improves vehicle safety by cushioning passengers from potential impacts. Its lightweight structure also supports fuel efficiency by reducing vehicle weight, underscoring EPP's environmental and economic value.

  • Consumer Electronics Protection

EPP foam offers reliable protection for sensitive electronic devices, shielding them from impact and thermal fluctuations. Its stability under compression makes it a popular material in packaging for monitors, large electronic devices, and equipment that requires secure handling and storage.

  • Construction and Home Improvement

In home improvement, EPP foam is utilized in a variety of products requiring insulation and resilience, such as modular panels, thermal barriers, and soundproofing. Its chemical resistance ensures that it maintains its structure even when exposed to harsh cleaning agents, weathering, or prolonged use, making it a low-maintenance solution for residential and commercial buildings.

Alfa Chemistry is a leading manufacturer of polypropylene foams. The other sizes can be manufactured in accordance with the clients' request. To place an order or request a quote, please don't hesitate to contact us.

Please kindly note that our products and services are for research use only.

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