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HTLT™ is an optical grade thermoplastic that is characterized by a high index of refraction, excellent transmission, and a sustained operating temperature up to 150° C. It is a tough, impact resistant thermoplastic that can be injection molded with precision detail at high production rates. Given its high glass transition temperature and excellent thermal insulation properties, HTLT™ parts are suitable for use in solder reflow processes including lead-free solder reflow applications. HTLT™ Thermoplastic is available in several grades and is recommended for use in producing optical quality lenses for LED’s, cellular camera phones and other photonic applications. Product sheets are listed below. |
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| HTLT CHARACTERISTIC FEATURES AND BENEFITS | ||||
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| • Water-White Clarity
• High Visible and IR Light Transmission • Low Color (Y.I. < 0.7 @ 1 mm thickness) • High Thermal Insulation Value/ High Tg • High Operating Temperatures (up to 150° C) • Primary & Secondary Lens Use • Excellent Thermal Oxidative Stability • Hard Lens Material with High Gloss Surfaces • Engineered to Mold Precision Details • Custom Grades Available • Compatible w. High Index Silicone Underfills |
• High Refractive Index (1.555–1.561 @ 589 nm) • Low Haze (< 0.7 @ 1 mm thickness) • ABBE Value: 33 • RoHS Compliant/ Lead Free Solder Reflow Use • Superior Impact Resistance • Excellent Photolytic Oxidative Stability (>400 nm) • Excellent Hydrolytic Oxidation Stability • Surface Treatable: (AR & High Temp. Coatings) • Injection Moldable/High Production Rates • Passes 85° C r.h./85° C Temp. Testing, 1000 Hours • Compatible w. Silicone Primers |
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