Idemitsu Chemicals LEV1700KL Optical Plastic, 1.585 Refractive Index – 25 kg bag

The Idemitsu Chemicals LEV1700KL Optical Plastic is a high-performance, optical-grade polycarbonate resin developed by Idemitsu under the TARFLON™ brand. It is engineered for applications that demand exceptional clarity, durability, and environmental resistance, making it ideal for optical components such as lenses and covers used in LED lighting and display systems.

Key Features:

• Weather-resistant
• High transparency
• High humidity and heat resistance

Applications:

• Lenses for outdoor LED lighting
• Covers for outdoor LED lighting

Properties and Melt Flow Rate:

• Refractive Index: 1.585
• Abbe Number: 34
• Visible Light Transmittance (%-T at 50mm): 90
• Melt Flow Rate (MFR, 300°C/1.2kg): 37

Physical and Mechanical Properties:

• Glass Transition Temperature (Tg): 147°C (296.6°F)
• Heat Deflection Temperature (HDT, 1.80 MPa): 126°C (no annealing)
• Water Absorption (24 hours): 0.3%
• Tensile Strength: 65 MPa
• Coefficient of Thermal Expansion (CTE): 6.8 × 10⁻⁵/°C