PC/ABS Covestro Bayblend FR2000
PC/ABS Covestro Bayblend® FR2000
PC/ABS Covestro Bayblend® FR2000 is a flame‑retardant alloy plastic. It combines the excellent mechanical properties and heat resistance of polycarbonate (PC) with good processing flowability of ABS.
Main Applications
Electrical‑Electronic: housings and internal components for notebooks, desktops, copiers, printers and other business equipment; telecommunication devices (mobile‑phone housings), home appliances, switches and sockets.
Automotive Industry: automotive interior parts such as instrument panels and pillar trims.
Home Appliances: internal and external parts for washing machines, hair dryers, microwave ovens.
Physical Properties
| Property Category | Test Item | Test Standard | Data | Unit |
|---|---|---|---|---|
| Physical Properties | Density | ISO 1183 | 1.18‑1.20 | g/cm³ |
| Melt Flow Rate (MFR) | 240℃, ISO 1133 | 18‑22 (or 26) | g/10min or cm³/10min | |
| Mold Shrinkage (Flow Direction) | ISO 2577 | 0.4‑0.7 | % | |
| Water Absorption (Saturated at 23℃) | ISO 62 | 0.5 | % | |
| Water Absorption (23℃ / 50% RH) | ISO 62 | 0.2 | % | |
| Mechanical Properties | Tensile Modulus | ISO 527 | 2700 | MPa |
| Tensile Strength (Yield) | ISO 527 | 60 | MPa | |
| Elongation at Break | ISO 527 | > 50 | % | |
| Flexural Modulus | ISO 178 | Data missing | MPa | |
| Flexural Strength | ISO 178 | Data missing | MPa | |
| Izod Notched Impact Strength (23℃) | ISO 180‑1A | 35 | kJ/m² | |
| Izod Notched Impact Strength (-30℃) | ISO 180‑1A | 10 | kJ/m² | |
| Thermal Properties | Heat‑Distortion Temperature (HDT, 1.8 MPa) | ISO 75 | 80 | °C |
| Heat‑Distortion Temperature (HDT, 0.45 MPa) | ISO 75 | 90 | °C | |
| Vicat Softening Temperature | ISO 306 | 92‑136 | °C | |
| Linear Thermal Expansion Coefficient (Flow Direction) | ASTM E‑831 | 0.76×10⁻⁴ | K⁻¹ | |
| Electrical Properties | Volume Resistivity | IEC 60093 | 1.0E+16 | Ω·m |
| Dielectric Strength | IEC 60243‑1 | 30 | kV/mm | |
| Relative Permittivity (100 Hz) | IEC 60250 | 3.2 | — | |
| Flame Retardancy | UL 94 Rating (1.5 mm) | UL 94 | V‑0 | — |
Processing Parameters
| Process Parameter | Unit | Recommended Value / Range |
|---|---|---|
| Drying Treatment | ||
| Drying Temperature | °C | 60‑80 (preferably below 60℃ or 60‑80℃) |
| Drying Time | h | 2‑4 |
| Recommended Moisture Content | % | < 0.04 (typical value) |
| Injection Molding Temperature | ||
| Rear Barrel Temperature | °C | Data missing |
| Middle Barrel Temperature | °C | Data missing |
| Front Barrel Temperature | °C | Data missing |
| Nozzle Temperature | °C | Data missing |
| Melt Temperature | °C | 240‑270 |
| Mold Temperature | °C | 80‑100 |
| Injection Parameters | ||
| Injection Pressure | MPa | Adjust according to equipment and molded parts |
| Holding Pressure | MPa | Adjust according to equipment and molded parts |
| Back Pressure | MPa | As low as possible (e.g. 0.3‑0.7) to avoid excessive frictional heat |
| Screw Speed | rpm | 40‑70 |
| Injection Speed | mm/s | 240 |
Note: All information above is for reference only!



