Laboratory Mill

Laboratory mills, used primarily for sample prep prior to analysis, use particle size reduction (comminution) to grind or homogenize wet, dry, hard, soft, elastic, brittle, and fibrous materials. Mills and grinders are used in labs in widely varying scientific areas, including chemistry, pharmaceuticals, food analysis, materials testing, and life science. Disk, hammer, mortar, planetary ball, rotor, and cutting mills are available to achieve coarse, mid-range, and fine results, all the way down to the nano range, <0.1 µm. Cryogenic mills, or freezer mills, are a type of unit that freezes a material prior to reducing its particle size.

What to consider when choosing a laboratory mill?

When purchasing a mill, power, speed, and cleanability are useful parameters; however, it is also important to keep in mind the instrument’s throughput, reproducibility, and yield, as well as the option of a cooling system, if necessary.

Compare and request a quote for laboratory mills from various manufacturers:

CompanyRETSCHRETSCHRETSCHRETSCH
ItemCutting Mill SM 300Cyclone Mill TWISTERMortar Grinder RM 200Rotor Beater Mill SR 300
Citations
Catalog NumberSM 300TwisterRM 200SR 300
Price
DescriptionCutting mills are suitable for the grinding of soft, medium-hard, tough, elastic, fibrous, and heterogeneous mixes of products. The new Cutting Mill SM 300 excels especially in the tough jobs where other cutting mills fail.

The high torque of the new 3 kW drive with RES technology (additional
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The cyclone mill TWISTER is specially designed for the processing of foods and feeds for subsequent NIR analysis. The optimized form of rotor and grinding chamber generates an air jet which carries the ground sample through the integrated cyclone into the sample bottle. The air jet prevents the ... Read MoreThe Mortar Grinder RM 200 can mix and homogenize powders, suspension and pastes even with high viscosity. The RM 200 is suitable for the proper and reproducible sample preparation to analytical fineness.

It substitutes cumbersome hand mortars by a high performance drive with electronic control. The
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The Rotor Beater Mill SR 300 is suitable for coarse and fine size reduction, either in batches or continuously. It can process dry, soft, medium-hard, organic and inorganic substances.

Its high speed in comparison to the SR 200 allows a significantly higher throughput and fineness.

The SR 300 is
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PrincipleShearing and CuttingImpact and FrictionPressure and FrictionImpact and Shearing
Sample SizeUp to 60 x 80 mm<10 mm< 8 mm< 15 mm
Sample TypeSoft, Medium-Hard, Tough, Elastic or FibrousFibrous or SoftSoft, Hard, Brittle or PastySoft or Medium-Hard
ApplicationsSize Reduction by Cutting: Agriculture, Biology, Chemistry / Plastics, Engineering / Electronics, Environment / Recycling, Food, Medicine / PharmaceuticalsGrinding Prior to NIR Analysis: Agriculture, Foods / Feeds, Medicine / PharmaceuticalsGrinding, Mixing and Triturating - Dry and Wet: Agriculture, Biology, Chemistry / Plastics, Construction Materials, Food, Geology / Metallurgy, Glass / Ceramics, Medicine / PharmaceuticalsSize Reduction and Deagglomeration: Agriculture, Chemistry / Plastics, Construction Materials, Environment / Recycling, Food, Medicine / Pharmaceuticals
Speed700 to 3000 min-110,000 to 14,000 min-1100 min-18100 or 9700 min-1
Rotor TypeParallel Section Rotor and 6-Disc RotorTWISTER rotormortar and pestleRotor Beater, Standard and Distance
Final Fineness0.25 to 20 mm< 500 um< 10 um< 50 um
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