Clean Room Carts Casters

Our cleanroom caster line includes models rated for ISO Class 5 (formerly Class 100) through ISO Class 8 (formerly Class 100,000) environments. The ISO rating depends on the specific wheel material, frame construction, bearing type, and lubricant used. Product listings include the ISO classification for each caster model. For ISO Class 5 and below, consult with our team to confirm compatibility with your specific contamination control requirements.

ESD-safe cleanroom casters use electrically conductive or static-dissipative wheel materials that provide a continuous ground path from the cart frame through the wheel to the floor. This prevents electrostatic charge buildup that could damage sensitive electronic components. ESD-safe casters typically maintain a resistance of 10^4 to 10^9 ohms. They should be used in conjunction with ESD-rated flooring for effective static dissipation.

Stainless steel (typically 316L grade) is required because it does not corrode, flake, or shed particles the way carbon steel, zinc-plated steel, or painted frames do. Corrosion is a major source of particle generation in humid or chemically exposed environments. Stainless steel also withstands the aggressive cleaning chemicals and wipe-down protocols used in cleanroom maintenance without degrading.

Yes. Standard caster lubricants can outgas volatile organic compounds that contaminate cleanroom environments. Cleanroom casters should use low-outgassing, cleanroom-rated lubricants or be specified with sealed bearings that contain the lubricant and prevent migration. In the most stringent environments (ISO Class 5 and below), dry-lubricated or self-lubricating bearing options may be required.

Cleanroom casters are constructed from non-particle-generating materials with smooth, sealed surfaces that resist particle accumulation and are easy to wipe down during cleaning protocols. Stainless steel 316L frames eliminate corrosion-related particle shedding. Wheel materials such as polyurethane, conductive TPR, and non-outgassing compounds are selected to minimize abrasion particulate and eliminate volatile organic compound (VOC) off-gassing. Sealed or shielded bearings prevent lubricant migration, and ESD-safe configurations provide the static dissipation required in electronics manufacturing environments.

Caster Central supplies cleanroom casters rated for ISO Class 5 through ISO Class 8 environments, with ESD-safe and non-ESD configurations available. Our cleanroom caster inventory includes stainless steel swivel, rigid, and braking models in wheel diameters from 3 inches to 8 inches. Browse our cleanroom caster selection below or contact our team to discuss the specific ISO classification and ESD requirements for your controlled environment.