What is EPE Foam?
EPE foam is a type of closed-cell polyethylene foam created by expanding polyethylene resin. This process results in foam with small, closed bubbles that provide a soft yet durable material with excellent resilience. Pearl foam gets its name from its shiny, pearlescent finish, which gives it a distinct appearance. It is frequently used in packaging, cushioning, and impact protection due to its flexibility and low cost.
Technical Specifications
| Property | Value |
|---|---|
| Thickness | 10-60 mm |
| Density | Typically 25-30 kg/m³ |
| Compression Strength | 15 to 30 psi (varies with density) |
| Water Absorption | Very low ( less than 1%) due to its closed-cell structure |
| Tensile Strength | 0.02 to 0.03 MPa |
| Elongation | 130% to 140%, offering significant flexibility and durability |
| Thermal Conductivity | 0.031 to 0.038 W/m·K (provides good thermal insulation properties) |
| Operating Temperature | -40 to +75°C |
| Environment | Free from toxic chemicals (CFCs & HCFCs), and 100% Recyclable |
Benefits of Using EPE Foam Inserts
- Shock Absorption and Cushioning: EPE foam’s ability to compress and bounce back makes it ideal for absorbing shocks and protecting fragile or delicate items from damage.
- Moisture and Chemical Resistance: The closed-cell nature of EPE foam ensures it doesn’t absorb moisture or many chemicals, making it suitable for environments exposed to water or other liquids.
- Buoyancy: EPE foam is highly buoyant, making it an excellent material for flotation devices and marine applications.
- Reusable and Durable: EPE foam can be reused multiple times without significant wear, making it a sustainable packaging option.
- Customization and Versatility: EPE foam can be easily cut, shaped, or molded into a variety of forms, making it suitable for a wide range of products and applications.
Common Applications of EPE Foam (Pearl Foam)
It is commonly used to protect electronics, appliances, and other fragile goods during shipping.
Due to its thermal resistance, EPE foam is used for thermal insulation in construction, refrigeration, and HVAC applications.
Used in vehicle interior components, such as door panels and headrests, to provide cushioning and noise reduction.
EPE foam is used in protective gear, helmets, and padding for sports equipment to absorb impact.
Its buoyancy makes it an ideal material for life vests, buoys, and other marine equipment.
Due to its non-toxic properties, EPE foam is often used in the packaging of food items, such as fruit trays and food containers.