UNITIKA U-polymer T-200 Optical Plastic, 1.58 Refractive Index - 25 kg bag

UNITIKA’s U-Polymer T-200 is a high-performance optical plastic with a glass transition temperature (Tg) of up to 265°C and exceptional transparency not typically found in other resins. It supports lead-free reflow soldering under certain conditions while maintaining optical clarity, making it ideal for advanced optical and electronic applications.

T-200 is suitable for injection molding and is widely used in optical components such as LED light sources, infrared systems, fiber optic connectors, illuminated switches, and diffusers.

Characteristics:

• Transparency: total light transmittance which approaches to 90%
• Total light transmittance near 90%
• Low Density: 1.1–1.2 g/cm³—lowest among amorphous super engineering plastics
• Defined yield point with excellent toughness
• Includes CAE resin flow analysis and vacuum degassing with precision feeders

Properties and Melt Flow Rate:

• Refractive Index: 1.58
• Abbe Number: 26
• Visible Light Transmittance (3mm): 87%
• Melt Flow Rate (MFR, 380°C/2.16kg): 2.7

Physical and Mechanical Properties:

• Glass Transition Temperature (Tg): 265°C (509°F) (suitable for reflow soldering)
• Heat Deflection Temperature (HDT, 1.80 MPa): 250°C (no annealing)
• Water Absorption (24 hours): 0.35%
• Tensile Strength: 80 MPa
• Coefficient of Thermal Expansion (CTE): 0.7 × 10⁻⁴/°C