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Electron Microscopy Sciences

Technical Data Sheets

EMS Petrographic Epoxy

EMS #1292 Series

Typical Properties, to be used as a guideline only

Number of Components: 2
Mixing Ration (by volume): Resin: 10
Curing Agent: 1
Optimum Cure Temperature: 135°C
Cure Schedule: Maximum bond strength is attained in 10 minutes @ 135°C
Pot Life: 5 - 7 days @ 20°C
Shelf Life: Indefinite when stored at room temperature. Keep containers tightly closed when not in use.
Index of Refraction: 1.540 after ~40 minutes @ 135°C
Cure Time
Physical Properties:  
Viscosity (mixed): 350-500 cps@20°C (estimate)
Lap Shear Strength: not measured (relatively high)
Specific Gravity (mixed): 1.18
Specific Gravity (resin): 1.17
Specific Gravity (curing agent): 1.30
Shore D Hardness: 84.5 - 86.0
Coefficient of thermal expansion: not measured (relatively high)

Note: Mixed EMS Petrographic Epoxy contains significant amounts of Boron and should be avoided if preparing samples for Boron isotope analysis.

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Product Information

EMS Petrographic Epoxy