TAFMER™ DF640 by Mitsui Chemicals is a specialty, ethylene-based a-olefin elastomer (TPO) grade. Exhibits low specific gravity, good surface gloss, low melting point and good impact resistance at low temperatures.
- Possesses good softness, good elasticity and transparency.
- Provides good filler containability, foamability, paintability and crosslinkability.
- Shows water insolubility, PE miscibility and PP compatibility.
- Used in automotive bumpers and instrumental panels.
- TAFMER™ DF640 is suitable for processing by injection molding.
- Meets FDA title 21, parts 170 to 189, FCN (food contact notification) and EU Directive 2002/72/EC.
Product family:
Chemical family:
Product Type:
| Color | Clear |
| Appearance | Pellets |
Benefits
US FDA|
Transparency, High|
Crosslinkable|
Specialty Grade|
Paintable|
Food contact approved|
Soft|
Elasticity, High|
Impact Resistance, Low Temp.|
Foamable
Compliance
| Food Contact Approval | Yes |
| Certifications & Compliance | FDA title 21, parts 170 to 189,
FCN (food contact notification),
EU Directive 2002/72/EC |
Applications
Recommended markets
Applications
Conversion mode
Injection Molding
Availability
Product Status:COMMERCIAL
TAFMER™ DF640 properties
Flammability properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Flash Point | > 200 °C | ||
Mechanical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Clash-Berg Modulus | 2 MPa | ASTM D1043 | |
| Elongation at Break | > 1000 % | ASTM D638 | |
| Hardness, Shore A | 56 % | ASTM D2240 | |
| Tensile Strength at Break | > 3 MPa | ASTM D638 | |
Physical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Density | 864 kg/m3 | ASTM D1505 | |
| Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index) | 3.6 g/10 min | At 190°C, 2.16 kg | ASTM D1238 |
| Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index) | 6.7 g/10 min | At 230°C, 2.16 kg | ASTM D1238 |
Thermal properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Brittleness Temperature | < -70 °C | ASTM D746 | |
| Melting Point | < 50 °C | MCI Method | |
| Vicat Softening Temperature | < 50 °C | ||

