EPP
Introduction
EPP is
EPP is Expanded Polypropylene.
- EPP bead material is produced by unique technology with own patent.
- EPP is produced by environmental friendly process, without hazardous material and wastewater.
- EPP can be used in various EPP molded products, which has excellent mechanical properties, including repeated impact resistance and chemical resistant, etc.
Characteristics
Characteristics
Excellent mechanical property / Outstanding heat resistance / Good chemical resistance / Resilience/repeated impact resistance / Safe flame response / Recyclability / Functionality (Various color, Anti-static)
Applications
- Automotive
- · Energy absorber
- · Sunvisor core
- · Tool box / Door Trim
- · Spare tire case
- Packaging
- · Electronics/Electronic components packaging
- · Returnable box
- · General packaging
- Construction Materials
- · Absorbing Materials
- · Insulating Materials
- Others
- · Construction materials for sound-proof
Relevant Technology
Various Coloring and Surface Treatment / Small bead / Anti-Static / Fireproof Treatment / Dual Density Molding
Table of Typical Properties
| Properties | Method | Unit | HP-W11P | HP-W15P | HP-W30P | HP-B4.5P | HP-B11P | HP-B15P | HP-B30P |
|---|---|---|---|---|---|---|---|---|---|
| Density | ISO 845 | g/L | 82 | 60 | 30 | 200 | 82 | 60 | 30 |
| Shrinkage | Howlech method | % | 1.7 | 1.7 | 2.2 | 2.4 | 1.9 | 1.8 | 2.1 |
| Compressive strength | ISO 7214 | kgf/㎠ | 4.7 | 3.2 | 3.2 | 21.9 | 5.1 | 3.8 | 1.4 |
| Tensile strength | ISO 7214 | kgf/㎠ | 12.7 | 10.1 | 10.1 | 31.1 | 12.6 | 11.9 | 3.5 |
| Elongation | ISO 7214 | % | 25 | 23 | 23 | 21 | 21.6 | 25.2 | 18.4 |
| Compression set | ISO 7214 | % | 7.0 | 6.0 | 8.0 | 9.4 | 7.0 | 6.0 | 8.0 |
| Tear strength | ISO 34-1 | kgf/cm | 78 | 41 | 27 | 173 | 71 | 58 | 18 |
| Thermal conductivity (20°C) | ISO 8301 | W/mK | 0.044 | 0.041 | 0.038 | 0.061 | 0.061 | 0.039 | 0.036 |
| Flammability | FMVSS 302 | mm/min | < 100 | < 100 | < 100 | < 100 | < 100 | < 100 | < 100 |
*And various expansion ratio, color, functional goods
-Expansion ratio: 4.5~75 folds
-Color: Green, Pink, Gray, etc.
-Functionality: Anti-static, Fire resistance, Non-pre-pressurization(4.5~15folds), etc.
*Physical Properties : These are not to be construed as specifications.
CONTACT ADDRESS
| Parts | Name | Phone | |
|---|---|---|---|
| Contact | Kwon Hyeok Mi | +82-41-330-8522 | khm0879@lotte.net |
| LFT_automotive | Jung KwangYoung | +82-41-330-8511 | jky@lotte.net |
| Choo Hyunsang | +82-41-330-8515 | HS.Choo@lotte.net | |
| LFT_Electronic | Lee HoYoung | +82-41-330-8513 | hoyoung.lee@lotte.net |
| WLFT | Nam Hyun | +82-41-330-8523 | nh5048@lotte.net |
| EPP | Lee GunMin | +82-41-330-8512 | gunminlee@lotte.net |
| Choo Hyunsang | +82-41-330-8515 | HS.Choo@lotte.net |