jER™ YX8040 is a hydrogenated bisphenol A-type solid epoxy resin, with high molecular weight. IOt can be used for optical materials such as LED encapsulants and adhesives for displays.
Features
- High purity
- Transparency
- LED-curable
- UV-curable
Chemical Family: Epoxy & Epoxy Derivatives
End Uses: Semiconductor Applications
Polymer Name: Epoxy Resins & Compounds
Product Resources
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jER™ YX8040 Features & Benefits
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Recommended Uses & Known Applications
jER™ YX8040 is a high purity alicyclic epoxy resin with colorless solid, that is used for optical materials e.g. LED encapsulant, adhesive for display.
Properties
Physical Form
Appearance
Colorless solid
Physical Properties
Value | Units | Test Method / Conditions | |
Refractive Index (D line 589nm) | 1.5 | - | - |
Total Chloride | 500 | ppm | Potentiometric Titration |
Typical Properties
Value | Units | Test Method / Conditions | |
Epoxy Equivalent Weight (WPE) | 900-1500 | g/eq | Potentiometric Titration |
Softening Point | 70-100 | °C | Ring and ball method |
Viscosity (at 25°C) | 2.9 | Pa.s | - |
Cured Properties
Value | Units | Test Method / Conditions | |
Heat Deflection Temperature | 108 | °C | - |
Light transmittance (at 360 nm, Light resistance Weathermeter, 0.4kw/m^2, after 168 hr) | 78 | % | - |
Light transmittance (at 360 nm, Light resistance Weathermeter, 0.4kw/m^2, at 0 hr) | 85 | % | - |
Yellowness index (Light resistance Weathermeter, 0.4kw/m^2, after 168hr) | 4 | - | - |
Yellowness index (Light resistance Weathermeter, 0.4kw/m^2, at 0hr) | 1 | - | - |
Packaging & Availability
Packaging Type
Packaging Information
Paper bag with 20 kg net
Storage & Handling
Shelf Life
3 months
Storage and Handling
Carefully read the SDS before using, handling, transporting, storing or disposing. jER™ YX8040 should be stored in tightly closed containers under exclusion of humidity at gentle temperatures. Avoid exposure to direct sunlight. Under these storage conditions the product has a minimum shelf life of three (3) months from date of delivery.
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