Optically Clear Polymer Formulations for LED Encapsulation
Polyurethane Compounds Uniquely Designed to Benefit LED Lighting Systems
Epic Resins leads the way in innovation for LED encapsulation compounds. Case in point: EPIC S7515, our optically clear polymer. Specifically formulated for encapsulating LED lighting systems, EPIC S7515 is designed with excellent electrical properties to prevent wear and tear on Light Emitting Diodes. LED lighting systems manufactured with Epic Resins encapsulation compounds last longer and shine brighter.
Epic Resins has decades of experience developing specialty epoxy and polyurethane resins for a wide range of applications, including lighting. We're known for our above and beyond customer service. More than just a supplier, Epic Resins partners with our clients to streamline their manufacturing production process and develop custom formulations that meet specific needs.
Why Epic Resins?
- 60+ years experience in specialty epoxy and polyurethane resins
- State-of-the-art manufacturing facility
- First epoxy resin formulator to earn ISO9002 Registration (April 1995)
- ISO9001 Certificate of Registration (October 1998)
- ISO14001 Registration (April 1999)
- Highly specialized equipment on-site, including vacuum chambers and meter, mix and dispense (MMD) equipment
- Lowest prices on custom epoxy formulations
- Superior customer service
EPIC S7515 Benefits and Features
EPIC S7515 is a series of two-part, aliphatic polyurethane compounds designed to be UV stable and optically clear. These compounds have low viscosity, a fast cure schedule at ambient temperatures, excellent tear resistance and ideal electrical properties for a wide range of critical applications.
Get a quote on the best optically clear LED polymers from Epic Resins.
Optically Clear Casting and Encapsulating Compounds at Epic Resins:
Epic S7515 - 2 Part Clear Polyurethane Compound
EPIC S7515 features a convenient 1:2 volumetric mix ratio allowing it to be easily adapted to meter mix and dispense machinery for high volume production applications. EPIC S7515 was designed for use in a variety of applications including:
- General LED light potting
- LED light bar potting
- Printed circuit board potting with indicator lights
- LED Manufacturing Solutions
Epic D9980 - 2 Part Clear Aliphatic Polyurethane
EPIC D9980 is a rigid, two-component aliphatic polyurethane designed to be optically clear. EPIC D9980 has been used in applications that operate up to 130°C.
- UV stable
- Displays minimal color change
- High gloss retention
- After 1,000 hours of accelerated weather testing
Epic S7524 - Transparent Polyurethane Potting Compound
EPIC S7524 is a transparent, UL 94 V-0 recognized, polyurethane potting compound. This system is unfilled and is excellent for applications requiring low mixed viscosity for better flow into tight tolerance areas. EPIC S7524 would be an excellent choice for:
- White Goods applications
- Sensor potting
- Switches & control modules
| Product | UL Recognized | Mix Ratio by Weight (A:B) | Mix Ratio by Volume (A:B) | Mixed Viscosity @ 25°C, 20 RPM (cps) | Gel Time @ 25°C | Glass Transition Temp. (Tg) |
| Epoxies | ||||||
| R1055/H2083 | Yes | 100:18 | 3.25:1 | 2,300 - 3,300 | 300 - 360 Min (100 Grams) | 70 - 80 °C |
| S7512 | No | 100:9 | 100:22.1 | 4,000 - 5,000 | 150 - 260 Min (100 Grams) | 48 - 52 °C |
| S7513 | No | 100:14.2 | 4:1 | 2,500 - 3,500 | 100 - 250 Min (100 Grams) | 40 - 45 °C |
| Polyurethanes | ||||||
| D9980 | No | 100:97 | 1:1 | 300 - 600 | 10 - 20 Min (100 Grams) | 19 - 24 °C |
| S7144 | No | 100:43 | 3:1 | 250 - 350 | 25 - 35 Min (100 Grams) | (-21) - (-65) °C |
| S7302 | No | 100:19.5 | 4:1 | 2,500 - 3,500 | 45 - 55 Min (100 Grams) | (-70) - (-65) °C |
| S7475 | Yes | 100:17 | 4:1 | 3,500 - 4,500 | 40 - 50 Min (100 Grams) | -55 °C |
| S7478 | Yes | 100:8.52 | 100:12 | 5,000 - 7,000 | 25 - 35 Min (100 Grams) | (-5) - (-10) °C |
| S7515 | No | 51.5:100 | 1:2 | 500 - 700 | 5 - 10 Min (13 Grams) | 25 - 30 °C |
| S7524 | Yes | 100:58.4 | 2:1 | 170 - 230 | 20 - 35 Min (100 Grams) | (-19) - (-15) °C |
| S7527 | Yes | 100:16.7 | 5:1 | 3,000 - 4,000 | 30 - 50 Min (100 Grams) | (-2.5) - (-1.52) °C |
| Product | Coefficient of Thermal Expansion (CTE)(EXP‑6) in/in °C | Dielectric Strength (volts/mil) | Dissipation Factor (100 kHz) | Volume Resistivity (ohm‑cm) | Shore Hardness @ 25°C |
| Epoxies | |||||
| R1055/H2083 | 43 - 47 | 550 @ 0.080" | 0.020 - 0.022 | 1.90e+15 - 2.10e+15 | 85 - 90 D |
| S7512 | 34 - 37 | 410 @ 0.100" | 0.015 - 0.025 | 2.00e+15 - 2.50e+15 | 88 - 91 D |
| S7513 | 35 - 45 | 510 @ 0.100" | 0.020 - 0.040 | 1.50e+15 - 2.00e+15 | 84 - 87 D |
| Polyurethanes | |||||
| D9980 | 85 - 95 | 385 @ 0.100" | 0.014 - 0.018 | 1.00e+15 - 1.20e+15 | 75 - 80 D |
| S7144 | 190 - 210 | 420 @ 0.125" | 0.042 - 0.046 | 1.10e+13 - 1.20e+13 | 77 - 83 A |
| S7302 | 175 - 190 | 365 @ 0.125" | 0.020 - 0.030 | 2.40e+12 - 2.80e+12 | 68 - 72 A |
| S7475 | 355 - 365 | 472 @ 0.095" | 0.010 - 0.011 | 2.70e+12 - 2.80e+12 | 50 - 65 OO |
| S7478 | 100 - 130 | 450 @ 0.100" | 0.040 - 0.070 | 1.50e+12 - 2.00e+15 | 75 - 80 A |
| S7515 | 200 - 250 | 340 @ 0.100" | 0.040 - 0.060 | 1.00e+11 - 1.50e+11 | 30 - 35 D |
| S7524 | 285 - 295 | 422 @ 0.102" | 0.105 - 0.125 | 1.80e+12 - 2.00e+12 | 61 - 65 A |
| S7527 | 165 - 175 | 855 @ 0.033" | 0.025 - 0.032 | 3.10e+14 - 3.40e+14 | 88 - 92 A |
Epic Resins provides a diverse array of polyurethane compounds, adhesives, and epoxies for various industries, including LED encapsulation. We formulate optically clear polymers as part of our LED encapsulation, but also create resins for LED circuitry. Our brochure below showcases some of the compounds we offer to meet your LED lighting needs.
If you require an LED epoxy resin we don’t offer, we’ll custom formulate one to meet your specific LED manufacturing and design needs. When it comes to potting compounds and adhesives, our custom solutions are truly epic.
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