TAIRILOY® AC610G PC/ABS
An advanced, flame-retardant engineering thermoplastic alloy engineered for superior safety, durability, and manufacturability.
Contact Our ExpertsIntroduction to the TAIRILOY® PC/ABS Alloy Family
Discover the synergistic blend that bridges the gap between commodity plastics and specialty polymers.
The Engineering Value of PC/ABS Alloys
Polycarbonate/Acrylonitrile Butadiene Styrene (PC/ABS) is a high-performance engineering thermoplastic designed to capture the best of both worlds: the superior strength, heat resistance, and dimensional stability of Polycarbonate (PC) combined with the outstanding processability, chemical resistance, and low-temperature toughness of Acrylonitrile Butadiene Styrene (ABS). This synergistic alloy mitigates the weaknesses of each component, offering a balanced, cost-effective solution for complex engineering challenges where a single polymer falls short.
Overview of Formosa's TAIRILOY® Series
Marketed under the TAIRILOY® trade name by Formosa Chemicals & Fibre Corporation (FCFC), this product line benefits from FCFC's vertical integration, ensuring cost-competitiveness and quality control. The portfolio is segmented into tailored series for specific market needs:
- ✓General Purpose: Balanced impact strength and processability for automotive and consumer goods.
- ✓Metal Plating Grades: Engineered for strong adhesion in decorative applications.
- ✓Self-Extinguishing (Flame Retardant): Halogen-free grades for safety-critical applications in electronics and transportation. AC610G belongs to this series.
Report Scope and Data Basis
This technical analysis of TAIRILOY® AC610G is based on the comprehensive data for TAIRILOY® AC3100, a flagship flame-retardant grade from the same series. This approach is justified as grades within a series typically share a common base resin and performance profile. All data presented should be considered typical values for reference and not for specification purposes without independent verification.
Technical Data Profile
Comprehensive Technical Properties
| Property Category | Parameter | Test Method | Value |
|---|---|---|---|
| Mechanical | |||
| Tensile Strength | ASTM D638 | 23°C | 650 kg/cm² (~64 MPa) |
| Flexural Strength | ASTM D790 | 23°C | 1000 kg/cm² (~98 MPa) |
| Flexural Modulus | ASTM D790 | 23°C | 25,000 kg/cm² (~2450 MPa) |
| Rockwell Hardness | ASTM D785 | 23°C | R-118 |
| Notched Izod Impact | ASTM D256 | 23°C, 3.2mm | 65 kg-cm/cm (~637 J/m) |
| Notched Charpy Impact | ISO 179 | 23°C, 4mm | 44 kJ/m² |
| Thermal | |||
| Heat Deflection Temp (HDT) | ASTM D648 | 1.8 MPa | 90°C |
| Vicat Softening Point | ASTM D1525 | 10N (1 kg) | 107°C |
| RTI - Electrical | UL 746B | 1.5mm / 3.0mm | 90°C |
| RTI - Mechanical Impact | UL 746B | 1.5mm / 3.0mm | 85°C |
| RTI - Mechanical Strength | UL 746B | 1.5mm / 3.0mm | 90°C |
| Physical | |||
| Specific Gravity | ASTM D792 | 23°C / 23°C | 1.18 |
| Melt Flow Index (MFR) | ASTM D1238 | 240°C × 5 kg | 25 g/10 min |
| Molding Shrinkage | ASTM D955 | 3.2mm | 0.4 - 0.6 % |
| Electrical | |||
| Hot-wire Ignition (HWI) | UL 746A | 1.5mm | PLC 3 |
| High Amp Arc Ignition (HAI) | UL 746A | 1.5mm | PLC 0 |
| Comparative Tracking Index (CTI) | UL 746A | - | PLC 0 |
| Flammability | |||
| UL94 Flame Rating | UL 94 | 1.0mm - 3.0mm | V-0 |
| UL94 Flame Rating | UL 94 | 2.3mm | 5VB |
| UL94 Flame Rating | UL 94 | 3.0mm | 5VA |
Analysis of Key Performance Indicators
Mechanical Robustness
Excellent stiffness (2450 MPa Flexural Modulus) and high toughness (~637 J/m Izod Impact) allow for rigid parts that withstand drops and impacts.
Thermal Performance
A 90°C HDT and 90°C RTI ensure structural integrity and long-term stability in elevated operating temperatures found in electronics and automotive interiors.
Processability
Good melt flow (25 g/10 min MFR) enables the filling of complex, thin-walled molds, improving manufacturing efficiency and design freedom.
Fire Safety
The defining feature. A UL94 V-0 rating down to 1.0mm and a 5VA rating make it a prerequisite for safety-critical electronics and appliances.
Material Science: A Comparative Analysis
Understanding the synergy between PC and ABS that creates a superior alloy.
Deconstructing the Alloy
Polycarbonate (PC)
The backbone of strength and heat resistance. PC provides exceptional impact strength, high heat resistance (Tg ~145°C), and rigidity. Its weaknesses include susceptibility to stress cracking and higher melt viscosity.
Acrylonitrile Butadiene Styrene (ABS)
The source of toughness and processability. ABS contributes excellent low-temperature toughness, chemical resistance, a glossy finish, and crucially, ease of processing due to its good melt flow.
Comparative Property Matrix
| Property | General Purpose PC | General Purpose ABS | TAIRILOY® AC610G/AC3100 |
|---|---|---|---|
| Impact Resistance (Room Temp) | Excellent | Good to High | Excellent |
| Impact Resistance (Low Temp) | Good (can be brittle) | Excellent | Excellent |
| Tensile Strength | High (~59-65 MPa) | Medium (~40-50 MPa) | High (~64 MPa) |
| Flexural Modulus (Stiffness) | High (~2400 MPa) | Medium (~2100-2400 MPa) | High (~2450 MPa) |
| Heat Deflection Temp. (@1.8 MPa) | High (~130-135°C) | Low (~82-88°C) | Good (~90°C) |
| Processability / Melt Flow | Fair (High Viscosity) | Excellent (Low Viscosity) | Very Good |
| Chemical Resistance (Solvents) | Poor | Good | Good |
| Flammability (Unmodified) | Self-extinguishing (V-2) | Flammable (HB) | Flame Retardant (V-0) |
| Cost | Higher | Lower | Intermediate |
Processing and Fabrication Guidelines
Achieve optimal performance by adhering to recommended processing protocols.
Pre-Processing: The Critical Role of Drying
Proper drying is MANDATORY. The PC component is susceptible to hydrolysis at melt temperatures, which degrades mechanical properties. Use a desiccant dryer at 80-90°C for 3-4 hours to achieve a moisture content below 0.02%.
Recommended Injection Molding Parameters
| Parameter Settings | |
|---|---|
| Hopper Temperature | 60 - 80°C |
| Zone 1 (Rear) | 200 - 230°C |
| Zone 2 (Center) | 220 - 250°C |
| Zone 3 (Front) | 230 - 260°C |
| Nozzle / Die Temperature | 220 - 250°C |
| Melt Temperature | 230 - 260°C |
| Mold Temperature | 50 - 70°C |
Process Insights
Mold Temperature: A higher mold temp (50-70°C) is crucial for better surface finish, stronger weld lines, and reduced internal stress.
Melt Temperature: Stay within 230-260°C. Exceeding 270°C can cause thermal degradation.
Injection Speed: A fast injection speed is often preferred, followed by a hold pressure (50-60% of injection) to compensate for shrinkage.
Application Engineering
Where safety, durability, and performance converge.
3C Electronics
Housings for laptops, routers, chargers, and peripherals where the V-0 flame rating is a regulatory must-have.
Household & Office Appliances
Casings for coffee makers, power tools, and printers that require safety, durability, and aesthetic appeal.
Automotive Interiors
Dashboard panels, consoles, and electrical module housings that withstand high cabin temperatures and meet flammability standards.