Product Description

MRC Labs SM-450 Series: Your High-Speed, High-Precision Lab Grinding Solution

When it comes to production or QC sample prep, the MRC Labs SM-450 Series Laboratory Sample Mills deliver unmatched speed, durability, and precision. Engineered with detachable stainless steel cups (SUS 304) and ultra-hard SUS 420 HRC 55 blades, the SM-450 series grinds tough, dry materials to ~100 µm—fast.

Safety and maintenance are built-in. Automatic stoppage occurs when the cup is removed or the motor overheats, and a buffer mechanism prolongs motor life. Choose the SM-450C with its water-cooling jacket for temperature-sensitive samples; otherwise, the SM-450 and SM-450L offer standard and large-volume options respectively.

Perfectly suited for XRD, XRF, SEM, TEM preparation, geology, pharmaceuticals, food testing, environmental analysis, and more—production and QC engineers alike trust in its consistency and reliability. Optional accessories (cups, blades, lids) expand versatility while supporting lab uptime.

The MRC Labs SM‑450 Series Sample Mills deliver reliable, high‑power grinding for precision sample preparation—perfectly engineered for production and quality control professionals. Featuring a detachable stainless‑steel cup and ultra‑hard blades (HRC 55), this compact mill ensures rapid, reproducible grinding for tough, dry materials.

Applications

• Material Science & Engineering – XRD/XRF, SEM/TEM sample preparation

• Pharmaceuticals & Biotechnology – grinding tablets, powders, and raw materials for QC

• Food & Agriculture – cereals, grains, seeds, and other foodstuffs for composition analysis

• Environmental Testing – soil, plant, and waste analysis

• Geology & Mining – ores, minerals, ceramics

• Polymers & Plastics – resin granules, additives, heat-sensitive polymer blends

• Forensics – trace material preparation for chemical analysis

Note that these are just some of the many applications for a high power laboratory sample grinder, and the specific uses may vary depending on the type of grinder and the user's needs.  While a stainless steel blade with a Rockwell Hardness of HRC55 degrees is a versatile sample grinder, we know some applications may require more specialized blades or equipment. It is important to choose the appropriate tool for the specific sample preparation needs, so call us if you don't see the knife you need.  

Features

• Precision & Speed – Achieve <100 µm grain size quickly and consistently.

• Built for Rugged Use – Engineered with industrial-grade stainless steel and hardened blades.

• Extensive Versatility – Adapts to a wide scope of laboratory sample types and industries.

• Enhanced Operator and Sample Safety – Intelligent design reduces risks while promoting uptime.

• • Automatic Safety Shutdowns: Abrupt stops upon cup removal, motor overheating, or electrical overload protect users and equipment.

  • Visual process observation (SM-450TR):  Transparent lid allow direct viewing of sample.  

  • Sample Cooling (SM-450C model): Water-cooling jacket prevents heat buildup—essential when processing heat-sensitive samples like polymers or organic compounds. Critical for heat-sensitive samples in many QC and biotechnology environments. 

  • Maintenance-Friendly Design: Detachable cup simplifies cleaning.

  • Optional Knife Replacement Tools make blade replacement easy and safe.

Specifications

Warranty:  Full replacement for first 30 days, and full 1 year for parts and labor, excluding knives.

FAQ

Q. What types of samples can the SM-450 mill handle?
A. The SM-450 is designed for dry, brittle materials including minerals, ceramics, polymers, pharmaceuticals, grains, soils, plastics, and more. For heat-sensitive materials, the SM-450C cooling model is recommended.

Q. What final particle size can be achieved?
A. Typically ~100 µm in under one minute, depending on the hardness and brittleness of the sample.

Q. How does a cooling jacket help?
A. The SM-450C includes a water-cooling jacket that prevents heat buildup, which protects polymers, food samples, and other temperature-sensitive materials from degradation.

Q. What safety and safe use features are built in?

A.  Several safety and reliability features:

• Automatic shutoff when the cup is removed

• Motor overload and overheating protection

• Soft-start buffering to reduce mechanical stress

Q. How easy is cleaning and maintenance?
A. The detachable stainless-steel cup allows for quick removal and washing. Blades are hardened stainless steel and easily replaced with a special tool.

Q. What accessories are available?
A. Additional sample cups (standard, cooling, large-volume), replacement blades, lids, and blade-opening tools are available to extend functionality and service life.

Q. How does it compare to other lab mills?
A. Unlike smaller coffee-grinder style mills, the SM-450 offers higher power (1200 W), higher speed (up to 30,000 rpm), stainless-steel construction, and reproducibility required for professional QC and production labs.

Optional Accessories

• Additional Cups - To maximize throughput and speed processing, add additional cups (which include standard lids).

• Additional Lids - Additional lids provide more options for added functionality. Choose standard replacement lids, or add a transparent option for observing the contents within the cup, or add a lid designed for grinding smaller quantities.

• Spare Knives - Always keep spare replacement knives on hand for the SM-450 series sample mills. 

• Knife Replacement Tool Set - Make it easy, safe and simple by using the tools specifically designed to assist in the removal of the knife from the cup.

Documentation

• Operators Manual (Click Here to download.)