Sabic CYCOLOY™ Resin CP8320 PC/ABS
Sabic Cycoloy CP8320 (PC/ABS) Resin
Cycoloy Resin CM8320 is a medium-heat PC/ABS blend engineered as a superior plating grade for demanding automotive applications, offering an excellent balance of strength, impact resistance, and thermal performance.
Typical property data
Physical Properties
- Specific Gravity: 1.1 (ASTM D792; ISO 1183)
- Density: 1.1 g/cm³ (ISO 1183)
- Mold Shrinkage (Flow, 3.2 mm): 0.5 – 0.7% (SABIC Method)
- Melt Flow Rate (260°C/5.0 kgf): 14 g/10 min (ASTM D1238)
- Melt Volume Rate, MVR (260°C/5.0 kg): 13 cm³/10 min (ISO 1133)
- Water Absorption (23°C, Saturated): 0.3% (ISO 62-1)
- Moisture Absorption (23°C / 50% RH): 0.1% (ISO 62)
Mechanical Properties
- Tensile Stress (Yield, 50 mm/min): 45 MPa (ASTM D638; ISO 527)
- Tensile Stress (Break, 50 mm/min): 40 MPa (ASTM D638; ISO 527)
- Tensile Strain (Yield, 50 mm/min): 4% (ASTM D638; ISO 527)
- Tensile Strain (Break, 50 mm/min): 100% (ASTM D638; ISO 527)
- Tensile Modulus: 2100 MPa (ASTM D638; ISO 527)
- Flexural Stress (Yield): 70 MPa (ASTM D790); 65 MPa (ISO 178)
- Flexural Modulus: 2000 MPa (ASTM D790; ISO 178)
Impact Properties
- Izod Impact (Notched, 23°C): 600 J/m (ASTM D256); 60 kJ/m² (ISO 180/1A)
- Izod Impact (Notched, -30°C): 400 J/m (ASTM D256); 30 kJ/m² (ISO 180/1A)
- Charpy Impact (23°C, V-notch): 60 kJ/m² (ISO 179/1eA)
- Charpy Impact (-30°C, V-notch): 30 kJ/m² (ISO 179/1eA)
- Instrumented Dart Impact (Total Energy, 23°C): 55 J (ASTM D3763)
Thermal Properties
- Vicat Softening Temperature (Rate B/50): 106°C (ASTM D1525; ISO 306)
- Vicat Softening Temperature (Rate B/120): 107°C (ISO 306)
- Heat Deflection Temperature (HDT, 1.82 MPa): 90°C (ASTM D648)
- HDT/Af (1.8 MPa): 92°C (ISO 75/Af)
- Coefficient of Thermal Expansion (CTE, -40°C to 40°C, Flow/Xflow): 9.E-05 1/°C (ASTM E831; ISO 11359-2)
- Thermal Conductivity: 0.2 W/m°C (ISO 8302)
Electrical Properties
- Volume Resistivity: >1.E+15 Ω·cm (IEC 60093)
- Surface Resistivity: >1.E+15 Ω (IEC 60093)
- Dielectric Strength (in Oil, 0.8 mm): 35 kV/mm (IEC 60243-1)
- Dielectric Strength (in Oil, 1.6 mm): 25 kV/mm (IEC 60243-1)
- Dielectric Strength (in Oil, 3.2 mm): 17 kV/mm (IEC 60243-1)
Flame Characteristics
- Ball Pressure Test (75°C ± 2°C): Pass (IEC 60695-10-2)
Injection Molding
- Drying Temperature: 95 – 105°C
- Drying Time: 2 – 4 hours
- Maximum Moisture Content: 0.02%
- Melt Temperature: 250 – 280°C
- Nozzle Temperature: 230 – 270°C
- Front – Zone 3 Temperature: 240 – 280°C
- Middle – Zone 2 Temperature: 240 – 280°C
- Rear – Zone 1 Temperature: 220 – 250°C
- Hopper Temperature: 60 – 80°C
- Mold Temperature: 60 – 90°C
Features & Benefits
Superior Impact Resistance & Toughness
With its high Izod and Charpy impact values, this CYCOLOY CM8320 Resin ensures components can withstand physical shocks and stresses, reducing the risk of failure in demanding environments.
Excellent Plating Grade Adhesion
Specifically formulated for plating, it provides a reliable substrate for superior metallic surface finishes, ensuring a high-quality, durable aesthetic for visible automotive parts.
Good Thermal & Dimensional Stability
This resin maintains its properties and shape under high temperatures, making it ideal for parts near engines or in hot climates, and ensuring long-term performance and fit.
Use & Applications
- Automotive Interior Trim Components
- Automotive Grilles
- Automotive Emblems and Logos
- Other Plated Automotive Exterior Parts