EMS MATERIALS SCIENCE & METROLOGY CATALOG 2019–20 EDITION SAMPLE PREPARATION & SUPPLIES
Cold and Hot Mounting Media and Molds
Hot Mounting
When preparation requirements include less expensive, uniform size and shape, and short processing times, hot mounting (hot compression mounting) is ideal.
Hot mounting takes place under pressure in a mounting press, where the specimen is placed in a cylinder together with the appropriate mounting resin. A temperature of up to 200°C, and a pressure of up to 50kN are then applied during the embedding of the specimen. There are two types of hot mounting processes:
thermoplastic resins and thermo- setting resins.
Thermoplastic Resins melt when heated, offering the opportunity of repeating the process with the same specimen if the result is not satisfactory the first time. Thermoplastic resins harden during a chemical reaction with or without pressure. That means high pressure is not necessary during heating and cooling. This process is good when mounting fragile specimens.
Thermo-setting Resins cure at elevated temperatures under pressure. Thermo-setting resins cannot be re-melted after mounting.
1214 Green Bakelite with Thermosetting • • • • • • wood filler
1215 Light Melamine Thermosetting • Yellow mineral and glass filler
1216 Black Bakelite with Thermosetting • carbon filler
• • •
EMS introduces a selective range of embedding and mounting medium on the market for both HOT MOUNTING and COLD MOUNTING – for literally all kinds of material specimens.
CHOOSING A HOT MOUNT* Cat # Resin Material Type
Shrinkage Hardness Applications/ 1-3 (Best=1) 1-3 (Softest=1) Specific Properties
1210 Black/ Acryl with Thermoplastic • • Gray iron filler
1211 Gray Acryl with Thermoplastic • • Aluminum filler
1212 Clear Acryl Thermoplastic • • • Electrolytic polishing.
• •
For soft materials.** Fast mounting also
when used as backing. • •
Transparent mounts. Porous specimens.*** Surface electrical insulator for ConduFast.
1213 Black Epoxy with Thermosetting • mineral filler
• • • For hard materials.
Excellent edge retention.
Routine examination
of soft to medium hard materials. Suitable as backing.
For soft to medium hard materials.
Excellent edge retention.
• • SEM examination.
1217 Black Bakelite with Thermosetting • • • • • • wood filler
1218 Red Bakelite with Thermosetting • • • • • • wood filler
Routine examination
of soft to medium hard materials. Suitable as backing.
Routine examination
of soft to medium hard materials. Suitable as backing.
* 30 mm dia. mount with a 45% carbon steel specimen (20 vol%) ** Embedded abrasives can occur in the aluminum filler *** For some materials, using sensitive mode
SPECIFICATIONS Cat # Temp
Heating Heating Pressure Cooling Cooling Process Removal Time
Heating (bar)
1210 180°C 3.5 min 250 Time Rate
Total Time
Rate
1211 180°C 2.5 min 300 1 min High 3.5 min High 1212 180°C 4 min 350
1.5 min High 5 min High 6.5 min Low 10.5 min High
1213 180°C 3.5 min 325 2 min High 5.5 min Low 1214 180°C 3 min 250 2 min Medium 5 min Medium 1215 180°C 3.5 min 250 2 min High 5.5 min High 1216 180°C 3.5 min 250
1.5 min High 5 min High
1217 180°C 3 min 250 2 min Medium 5 min Medium 1218 180°C 3 min 250 2 min Medium 5 min Medium
4
ORDERING INFORMATION Cat #
Description
1210 1211 1212 1213 1214 1215
1216 1217 1218
Pkg Size
Black/gray acryl with iron filler, thermoplastic 1 kg Gray acryl with aluminium filler, thermoplastic 1 kg Clear acryl, thermoplastic
1 kg
Black epoxy with mineral filler, thermosetting 1 kg Green bakelite with wood filler, thermosetting 1 kg
Light yellow melamine with mineral and glass filler, thermosetting
1 kg
Black bakelite with carbon filler, thermosetting 1 kg Black bakelite with wood filler, thermosetting 1 kg Red bakelite with wood filler, thermosetting
1 kg
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