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Cross beater mill, SK 300

Supplier: Retsch GmbH
The Cross Beater Mill SK 300 is used for batchwise or continuous primary and fine size reduction. This robust mill can be operated in laboratories but also in production environments under rougher conditions.

  • Suitable for batchwise operation of large quantities
  • Material feed size up to 25 mm
  • Defined final fineness d90 <100 µm* due to bottom sieves with aperture sizes from 0,12 - 10 mm
  • Quick cleaning thanks to push-fit rotor and removable grinding insert
  • Ring-type filter and collecting vessel with convenient, dust-tight bayonet locking mechanism
  • Quick-action door lock and motor brake
  • Optional cyclone for improved material discharge and additional cooling

* Depending on feed material and accessories used

Ordering information: Please order base frame and bottom sieve separately.

Delivery information: Supplied with cross beater, baffle plates, 240 mm filter hose and collecting receptacle.



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Description Pk VWR Catalog Number Quantity
SK 300, 200–240 V, 50/60 Hz, stainless steel grinding assembly, cross beater and baffle plates 1 RETS20.751.0003

Stainless steel sieves
Description Mesh size Pk VWR Catalog Number Quantity
Bottom sieve, round holes 5,00 mm 1 RETS02.407.0108
Bottom sieve, trapezoid holes 0,75 mm 1 RETS02.407.0102
Bottom sieve, trapezoid holes 1,00 mm 1 RETS02.407.0103
Bottom sieve, trapezoid holes 0,12 mm 1 RETS02.407.0098
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Model SK 100
Final fineness (µm) d90 < 100
Material feed size (mm) < 25
Speed range (min-1) 2000 - 4000
Circumferential speed (m/s) 15 - 31
Power consumption (W) 1100
W×D×H (mm) 500×400×510
Weight (kg) ~45
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