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Used mills for sale: particle size reduction equipment for powders, slurries and solids

Shop used, surplus and secondhand mills from IPP – in stock and trusted by chemical, pharmaceutical, food and mineral processors

Get consistent particle sizing with IPP’s ready-to-ship grinding and pulverizing systems

Featured Colloid Mills

Stainless Steel 304 Peters & Smith Colloid Mill

Stainless Steel 304 Peters & Smith Colloid Mill

Type: Mill

Subtype: Colloid

Manufacturer: Peters & Smith

Condition: Used

Material: Stainless Steel 304

Capacity (Design): 1.14 m3 (40.1 ft3)

Diameter: 1,067 mm (42 in)

attritor Open top with welded cone bottom Charge is 5/16" chrome plated steel (52100) shot Operating liquid level is 185 gallons Agitation is by a two speed Reliance 25/8.3 hp, 1800/600 rpm AC motor through a Sym-Cyclo gearbox With front side door for media change Motor & drive on trolley for shaft & media changing Insulated

Drive RPM: 51. Powered By: Electric.

Carbon Steel Reitz RD-18-H32 Colloid Mill

Carbon Steel Reitz RD-18-H32 Colloid Mill

Type: Mill

Subtype: Colloid

Manufacturer: Reitz

Model: RD-18-H32

Condition: Used

Material: Carbon Steel

Diameter: 457.2 mm (18 in)

Drive Power: 37.3 kW (50 HP)

Hammermill Disintegrator 18" diameter rotor with 32 hammers

Powered By: Electric.

New Stainless Steel 316 Colloid Mill

New Stainless Steel 316 Colloid Mill

Type: Mill

Subtype: Colloid

Manufacturer: Stalwart International

Model: Multi-Mill

Condition: New

Material: Stainless Steel 316

Diameter: 330 mm (13 in)

Drive Power: 2.2 kW (3 HP)

316SS (product contact), sifter, polished with mirror finish, Multi Mill ,with Bead impact knife blade. Sanitary and cGMP construction. 1400 mm height, 330mm diameter, 316 SS perforated screen .5 mm thick, 316SS shaft 38mm diameter x 410mm long, 316 SS knife (20 mm x 55 mm x 6 mm thick) frame 304 cladded, (2) 316 ss blade scrapers (20 mm x 20 mm x 50 mm), mechanical seal, w/ charging hopper. Hindustan Motor: 2.2KW 3/60/220 w/ VFD Bolted to base plate with caster wheels (4)

Powered By: Electric.

Stainless Steel 316 IKA-Werk W32KAAABAA6660 Colloid Mill

Stainless Steel 316 IKA-Werk W32KAAABAA6660 Colloid Mill

Type: Mill

Subtype: Colloid

Manufacturer: IKA-Werk

Model: W32KAAABAA6660

Condition: Used

Material: Stainless Steel 316

Capacity (Design): 0.003 m3 (0.11 ft3)

Drive Power: 11.2 kW (15 HP)

Series 2000 Type: DRS2000/5 Type 139 All piping and support equipment stainless steel. Mill and motor mounted on stainless steel base with cooler and micro motion feed control. Micro motion complete with transmitter MDL T050T6215CAUE2222.

Pressure: 25 bar (362.6 psi). Temperature: 200 °C (392 °F). Powered By: Electric.

Used mills are essential in industries where reducing solid materials to fine powders or controlled particle sizes is critical. Whether you’re grinding active pharmaceutical ingredients, pulverizing pigments, or micronizing mineral fillers, mills offer the precision and flexibility needed for modern process demands. With more than 47 years of experience, IPP provides used, surplus and secondhand milling systems from 20 global plant sites and maintains a ready-to-ship inventory of 15,000+ systems.

IPP stocks a wide range of industrial mills, including hammer mills, jet mills, ball mills, colloid mills, attrition mills, and roller mills from leading brands like Hosokawa, Fitzpatrick, Netzsch, Pallmann and WAB.

Applications and industries

Types of materials processed

Common materials of construction

Mills must be built to handle abrasive, corrosive or sanitary materials:

Key features of industrial mills

Explore how to select the right mill for your process from Chemical Processing.

Find your mill at IMS

Search the IMS inventory or contact IPP’s grinding and milling specialists to find the right used, surplus or secondhand mill for your operation. Whether upgrading, scaling up or replacing worn systems, IPP delivers cost-effective solutions with minimal downtime.