Representative Image

Retsch Cross Beater Mill SK 300, Up to 25mm, 2000-4000 min⁻¹, 220-240V, 50/60 Hz, Stainless Steel

Brand:Retsch

Material grinding chamber

Material grinding tools

Specifications

Compare models
Depth
700 mm
Dimensions (WxDxH)
600 x 700 x 1,200 mm
Power supply frequency
50/60 Hz
Height
1200 mm
IP code
IP 41
Material grinding chamber
Steel, hardened
Material grinding tools
Steel, hardened
Max. feed particle size
25 mm
Max. final fineness
100 µm
Max. speed
4000 1/min

R 398,373.80

Inc. VAT

Available soon

Product description

The Retsch Cross Beater Mill SK 300 Stainless Steel is designed for preliminary and fine size reduction of medium-hard, brittle, and fibrous materials. Built for batch-wise or continuous operation, this robust mill is ideal for use in laboratories as well as under tough industrial production conditions. The SK 300 offers exceptional grinding performance and durability, with a powerful drive system and a maximum rotor speed of 4000 min⁻¹—often achieving a final fineness of less than 100 µm in a single pass.

Key Features:

  • Brand: Retsch
  • Material: Stainless steel (grinding chamber, components)
  • Feed Size: Up to 25 mm
  • Speed: Adjustable from 2000 to 4000 min⁻¹
  • Voltage/Frequency: 220–240 V, 50/60 Hz
  • Application: Size reduction of medium-hard to brittle materials for sample preparation and industrial processing
  • Performance: Final fineness <100 µm possible in one process
  • Sieve Range: Bottom sieves available with aperture sizes from 0.12 to 10 mm
  • Ease of Cleaning: Removable cassette, hopper, and push-fit rotor for rapid cleaning and minimal downtime
  • Safety: Quick-action door lock, safety lock, and electric brake
  • Collection System: Ring filter and 5 L collecting vessel with dust-tight bayonet catch
  • Dimensions: High throughput for batch-wise size reduction of large sample volumes

Scope of Supply:

  • Cross Beater Mill including grinding insert, cross beater, baffle plates, filter hose, and 5 L collecting vessel

Note: please order separately.

The Retsch Cross Beater Mill SK 300 Stainless Steel Bottom sieves and base frame must be ordered separately. Additional sieve and feeder sizes are available upon request.

Downloads

Accessories

Accessories for rotor beater mills SR 300 and cross beater mills SK 300

ProductDescriptionForMfr#Part#AvailabilityPrice
Dust filter clamping rings for ring filter, incl. 5 dust filtersSR 300/SK 3002274800016.089 389R 5,743.10
Ring filter for 5 l collection vesselSR 300/SK 3002218700086.268 130R 51,131.30
IQ/OQ documentationSK 3009920000234.676 386R 16,242.60
Collection vessel 5 lSR 300/SK 3000201100384.676 367R 18,570.20
IQ/OQ documentationSR 3009920000244.676 372R 16,242.60
Feeding kit with push-fit feed chute 75 mm, holder, funnel 3.5 l, funnel holder and fixtureSR 300/SK 3007202000196.329 353R 27,754.10
Collection vessel 30 lSR 300/SK 3002200300154.676 370R 30,056.40

Cyclones for cross beater mills SK 300

ProductDescriptionMfr#Part#AvailabilityPrice
With 5 l collection vessel2293500224.676 384R 165,259.60
With 30 l collection vessel2293500234.676 385R 165,259.60

Compare similar models

Cross Beater Mill SK 300 up to 25mm, 2000-4000 min-1, 220-240V, 50/60 Hz, hardened steel

Manufacturer P/N

207510002

Part Number

6.268 112

Manufacturer

Retsch

Material grinding chamber

Steel, hardened

Cross Beater Mill SK 300 up to 25mm, 2000-4000 min-1, 220-240V, 50/60 Hz, cast iron

Manufacturer P/N

207510001

Part Number

6.268 113

Manufacturer

Retsch

Material grinding chamber

Cast iron

Cross Beater Mill SK 300 up to 25mm, 2000-4000 min-1, 220-240V, 50/60 Hz, stainless steel

Manufacturer P/N

207510003

Part Number

6.268 114

Manufacturer

Retsch

Material grinding chamber

Steel, stainless

Cross Beater Mill SK 300 grinding assembly, cross beater:, cast iron, baffle plates: steel 1.1740, 200-240 V, 50/60 Hz

Manufacturer P/N

207510004

Part Number

4.676 373

Manufacturer

Retsch

Material grinding chamber

Cast iron

Frequently asked questions

It is designed for preliminary and fine size reduction of medium-hard, brittle, and fibrous materials. Built for batch-wise or continuous operation, this robust mill is ideal for use in laboratories as well as under tough industrial production conditions. The SK 300 offers exceptional grinding performance and durability, with a powerful drive system and a maximum rotor speed of 4000 min⁻¹, often achieving a final fineness of less than 100 µm in a single pass.

Insights

Explore
What is a Laboratory Desiccator? Uses, Types and How It Works

1 min read

What is a Laboratory Desiccator? Uses, Types and How It Works

A laboratory desiccator keeps its contents in a dry, low-humidity atmosphere, protecting hygroscopic reagents and moisture-sensitive samples and cooling heated samples for accurate weighing. This guide covers what it is, what it is used for, the main types, the desiccants that go inside, and how it works, with an animated drying cycle and a setup finder.

Read full story
What is a Buchner Funnel? Uses, Setup and How Vacuum Filtration Works

1 min read

What is a Buchner Funnel? Uses, Setup and How Vacuum Filtration Works

The Buchner funnel is the standard tool for fast vacuum filtration across South African labs, from minerals and assay work to SANAS-accredited QC. This guide covers what it is, what it is used for, how to set one up step by step, the main materials, and how vacuum filtration works, with an animated apparatus and a funnel finder.

Read full story
What is a Separating Funnel? Uses and How It Works

1 min read

What is a Separating Funnel? Uses and How It Works

A separating funnel parts two immiscible liquids by density and is central to liquid-liquid extraction, from minerals and assay work to environmental testing and SANAS-accredited QC. This guide walks through what it is, how it works step by step, the pear-shaped and conical types, and how to choose one, with an animated demo and funnel finder.

Read full story

R 398,373.80

Inc. VAT