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EPO-TEK OG142
Technical Data Sheet
For Reference Only
UV Cure Optical Epoxy

Date: June 2017
No. of Components:
Mix Ratio by Weight:
Specific Gravity:
Pot Life:
Shelf Life:

Rev: VIISingle
N/A
1.17
N/A
One year at room temperature

Recommended CureIron-Doped Mercury Flood Lamp
100 mW/cm 2 @ 240-365 nm
Alternative Cures*
Iron-Doped Mercury Spot Lamp
365nm LED Flood Lamp
Pulsed Mercury Lamp

> 30 sec.

> 60 sec.
> 60 sec.
> 60 sec.

UV Cure is complete after 24 hours fromUV Exposure* Contact Technical Services for applicationspecific variationsNOTES:● Container(s) should be kept closed when not in use.
● Filled systems should be stirred thoroughly before mixing and prior to use.
● Performance properties (rheology, conductivity, others) of the Products may vary from those stated on the data sheet when bi-pak/syringe packaging or postprocessing of any kind is performed. Epoxy’s warranties shall not apply to any products that have been reprocessed or repackaged from Epoxy’s delivered
status/container into any other containers of any kind, including but not limited to syringes, bi-paks, cartridges, pouches, tubes, capsules, films or otherpackages..

Product Description: EPO-TEK® OG142 is a single component, UV curable epoxy, designed for adhesive, sealing, andencapsulating applications found in semiconductor, electro-optics, fiber optics, medical and scientific/OEM industries. It is aclear and colorless, high Tg epoxy.
Typical Properties: Cure condition: Varies as required. *denotes test on lot acceptance basis Data below is not guaranteed.
used as a guide only, not as a specification. Different batches, conditions & applications yield differing results.

PHYSICAL PROPERTIES:* Color (before cure): Clear/Colorless
Pourable liquid* Consistency:* Viscosity (23°C) @ 20 rpm:
Thixotropic Index:* Glass Transition Temp:
Coefficient of Thermal Expansion (CTE):
Below Tg:
Above Tg:
Shore D Hardness:
Die Shear @ 23°C:
Degradation Temp:
Weight Loss:@ 200°C@ 250°C@ 300°C
Suggested Operating Temperature:
Storage Modulus:
OPTICAL PROPERTIES @ 23°C:
Spectral Transmission:
Refractive Index (uncured):
Refractive Index (cured):

To be

9,000 - 15,000 cPs
N/A≥ 95 °C (Dynamic Cure:20-200°C/ISO 25 Min; Ramp -10-200°C @ 20°C/Min)
56 x 10-6 in/in°C-6189 x 10 in/in°C
86≥ 4 Kg 1,422 psi
421 °C
0.20 %
0.49 %
1.06 %< 300 °C (Intermittent)
558,079 psi≥ 97% @ 660 - 1,640 nm≥ 92% @ 440 - 620 nm
1.5649 @ 589 nm
1.5809 @ 589 nm

Epoxies and Adhesives for Demanding Applications™
This information is based on data and tests believed to be accurate. Epoxy Technology, Inc. makes no warranties (expressed or implied) as to its accuracy
and assumes no liability in connection with any use of this product.

EPOXY TECHNOLOGY, INC.
14 FORTUNE DRIVE, BILLERICA, MA 01821 (978) 667-3805, FAX (978) 663-9782
www.epotek.com

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EPO-TEK OG142
Technical Data Sheet
For Reference Only
UV Cure Optical Epoxy

EPO-TEK® OG142 Advantages & Suggested Application Notes:● Semiconductor:◊ Medium viscosity glob top encapsulant over IC’s and wire bonds. It can be potted into cavities, or around die thatutilize a dam or ring.
● Optics:◊ Adhesion to all types of glasses, Lexan polycarbonate, and many more plastics and laminates.
◊ Adhesive in the beam-pathway; capable of transmitting light from 400 to 2000 nm range.
◊ Encapsulant over LED devices and IR-LEDs.
◊ Bonding beam splitter cubes and prisms together.
● LCD:◊ Primary gasket seal around LCD/Display’s glass “sandwich” before the vacuum transfer filling method of VAN◊ A plug seal after the LC process, whereby it does not harm the LC itself.
● OLED's:◊ Encapsulation over OLED microdisplay, as well as adhesive for glass lid-attach.

Epoxies and Adhesives for Demanding Applications™
This information is based on data and tests believed to be accurate. Epoxy Technology, Inc. makes no warranties (expressed or implied) as to its accuracy
and assumes no liability in connection with any use of this product.

EPOXY TECHNOLOGY, INC.
14 FORTUNE DRIVE, BILLERICA, MA 01821 (978) 667-3805, FAX (978) 663-9782
www.epotek.com

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