Battery Thermal Management System Compressive Pad Close Cell Foam Tensile Elongatio Insulation Expanded Polystyrene Foam
EPP (Expanded polypropylene) is a multi-functional closed-cell bead foam that has a substantial number of uses and applications. It is lightweight, durable, and recyclable besides providing optimal energy management.
Some of the primary applications of EPP foam include:
- Industrial packaging
- Automotive parts
- Logistics and wrapping
- Shipbuilding
- Food preservation
- Waterproofing
- Lightweight constructions
- Furniture and design
- Suitable for a wide range of foam fabrication processes
Features
- Light-weight, waterproof, Antiflaming and self-extinguishing, etc
- Sound insulation, heat insulation, noise absorption, heat preservation and anti-corrosion
- Tough, rigid with a high impact strength, not easy to age and can keep its colour for a long time
- Easy to clean and maintain
- Environmental-friendly green healthy materials
The main performance parameters are shown in Table
| PHYSICAL PROPERTIES * | TEST METHOD | UNITS | TESTED DENSITIES |
| g/l | 20 | 30 | 40 | 50 | 60 | 80 | 100 |
| TENSILE STRENGTH | ISO 1798 DIN 53571 | kPa | 270 | 450 | 560 | 670 | 760 | 960 | 1150 |
| TENSILE ELONGATION | ISO 1798 DIN 53571 | % | 21 | 20 | 19 | 18 | 17 | 15 | 13 |
| COMPRESSIVE STRENGTH | ISO 844 | kPa | | | | | | | |
| 25% STRAIN | DIN 53421 | | 80 | 150 | 210 | 275 | 340 | 500 | 700 |
| 50% STRAIN | Test speed | | 150 | 200 | 300 | 370 | 475 | 700 | 960 |
| 75% STRAIN | 5 mm/min | | 350 | 460 | 600 | 800 | 1000 | 1600 | 2300 |
| COMPRESSION SET 25% STRAIN ・22H-23°C | ISO 1856 C Stabilizing 24H | % | 13.5 | 12.5 | 12.0 | 12.0 | 11.5 | 11.5 | 11.5 |
| stauchhArte | ISO 3386 40% strain | kPa | 80 | 105 | 125 | 140 | 150 | 170 | 185 |
| BURNING RATE | FMVSS 302
ISO 3795
sample thickness
12.5 mm | mm/min | 100 | 80 | 60 | 50 | 40 | 30 | 25 |
EPP is widely utilised 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 levellers, parcel shelves, headrests, tool kits, sun visors and myriad filler parts.
Reusable industrial packaging, known as dunnage, is frequently made from EPP due to its durability and its inherent ability to absorb energy in transit. 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 lightweight, as well as other performance characteristics. appro colour range
EPP is approved for use in conjunction with food products. Its thermal insulation properties and structural strength make it appropriate for containers such as food delivery containers and beverage coolers and the like. EPP does not support microbial growth and can be made sterile with steam cleaning.
EPP was first developed in the 1970's as a result of research into new forms of polypropylene. The material's first applications were for automotive products in Japan in 1982. Demand for EPP has since increased dramatically in all regions of the world based partly on the need of automakers to improve energy management functions whilst reducing weight and improving environmental benefits. The first automotive application for EPP was for an energy-absorbing component in a bumper system. EPP is now widely utilised for numerous other automotive parts and systems, including seating and other interior components
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