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Electron Microscopy Sciences

Technical Data Sheets

arrowUnimount Kit

EMS #1234

Mixing instructions:

  • Weigh out the correct amount of hardener in a mixing cup.
  • Weigh out the corresponding amount of resin into the same mixing cup.
  • Stir thoroughly for net less than 5 minutes until the mixture is homogeneous, without introducing air bubbles.
  • Place the specimen in the middle of the mounting cup and carefully pour in the mixed epoxy.
  • Ensure that no air remains trapped within gaps or cavities in the specimen by moving the specimen or by tapping the mounting cup on the table.

Unimount cures at 75°C/167°F, the curing time is 1½ hours at 75°C/167°F. To obtain these temperatures, either a laboratory oven/heating cabinet or Drybox can be used. When using a oven/cabinet we recommend using one with good ventilation to ensure that the heat created by the exothermic reaction during curing is removed.

Mixing Ratio: BY WEIGHT: Resin/Hardener: 25/7
BY VOLUME: Resin/Hardener: 31/10
Potlife: (30g mixture at 21°C/70°F): 4 Hours
Hardening Time (30g mixture at 21°C/70°F): 1 1/2 hours in oven at 75°C/167°F
Peak Temperature(30mm dia embedding w/o specimen at 75°C/167°) 170°C/338°F
Hardness 85 Shore D
Color Clear, Transparent
Density (g/ml) Resin: 1.13 / Hardener: 0.96
Soluble in Resin & Hardener: Alcohol, acetone
Chemical resistance after curing Most common acids & bases


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Unimount Kit