FIPC Formosa TARFLON™ IV2500 PC Resin
Plastic Granules
TARFLON™ IV2500 PC Resin Weathering Grade UV-stabilized
Tarflon IV2500 is a UV-stabilized polycarbonate resin. With UV cut-off under 380 nm, featuring an iced-clear color. Primarily used for safety glasses, sunglasses, and daylight roofing.
Associated Documents
Data Sheet
Typical property data
Physical Properties
- Melt Flow Rate (MFR): 7 g/10min (ISO 1133)
- Density: 1.2 g/cm³ (ISO 1183)
- Water Absorption (50% RH, 24 hr): 0.23% (ISO 62)
Mechanical Properties
- Tensile Stress at Yield: 65 MPa (ISO 527-1,2)
- Tensile Strain at Break: 90% (ISO 527-1,2)
- Flexural Strength: 90 MPa (ISO 178)
- Flexural Modulus: 2.2 GPa (ISO 178)
- Rockwell Hardness: R120/M50 (ISO 2039-2)
Impact Properties
- Charpy Notched Impact Strength: 80 kJ/m² (ISO 179-1)
Thermal Properties
- Heat Deflection Temperature (1.8 MPa): 125°C (ISO 75-1,2)
- Linear Thermal Expansion Coefficient: 6.5 × 10⁻⁵/°C (ISO 11359-2)
Optical Properties
- Total Luminous Transmittance: 85–90% (ISO 13468-1)
Electrical Properties
- Dielectric Strength: 30 kV/mm (IEC 60243-1)
- Volume Resistivity: >10¹⁶ Ω·cm (ASTM D257)
- Dielectric Constant (1 MHz): 2.85 (IEC 60250)
- Dielectric Dissipation Factor (1 MHz): 0.0092 (IEC 60250)
Flame Characteristics
- UL Flammability Rating:
- V-2 (0.36–2.9 mm thickness)
- HB (3.0–6.0 mm thickness) (UL94)
- Comparative Tracking Index (CTI): PLC Level 2 (UL746A)
- Relative Temperature Index (RTI):
- Electrical: 130°C (UL746B)
- Impact: 125°C (UL746B)
- Structural: 130°C (UL746B)
Injection Molding Parameters
- Pre-drying Conditions: 120°C, 5–8 hours
- Cylinder Temperature: 260–300°C (Max. 320°C)
- Mold Temperature: 80–120°C
Features & Benefits
Superior UV Protection
Tarflon IV2500 blocks harmful UV rays below 380 nm, preventing yellowing and degradation. Perfect for outdoor applications like daylight roofs and sunglasses, ensuring lasting clarity and structural integrity.
Unmatched Impact Resistance
With Charpy impact strength of 80 kJ/m², this tarflon polycarbonate resists cracks and fractures. Essential for safety glasses and industrial shields, where durability is non-negotiable.
Crystal-Clear Optical Performance
The iced-clear color and high luminous transmittance make Tarflon IV2500 ideal for precision optics. Delivers distortion-free visibility for eyewear and transparent panels.
Use & Applications
- Safety Glasses: Combines optical clarity with impact resistance for reliable eye protection.
- Sunglasses: UV-blocking properties prevent lens discoloration while maintaining crisp vision.
- Daylight Roofs: Withstands weather and UV exposure, ensuring long-lasting transparency and strength.
