PU ESD Cleanroom Shoes

Designed for controlled environments where electrostatic discharge (ESD) is a real risk, this shoe maintains a sole resistance of 10⁸–10⁹ Ω - the internationally recognized sweet spot for safe, effective static dissipation. The striped breathable upper keeps feet comfortable through long shifts, while the elastic collar at the topline means wearers can slip in and out quickly at gowning stations without breaking hygiene protocol.

Available in four colors to support facility-wide color-zoning systems. Custom sizes and colors available for bulk orders.

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5 Reasons Facilities Specify This Shoe

Resistance held in the dissipative range, not just near it

Sole resistance is tested and confirmed between 10⁸ and 10⁹ Ω - not conductive enough to pose a shock risk, not insulative enough to let charge accumulate. This is the window required by ANSI/ESD S20.20-aligned programs, and it's where this shoe stays.

Breathable upper for full-shift comfort

The striped fabric upper allows continuous airflow. Temperature-controlled cleanrooms can still cause heat and moisture buildup inside footwear - the breathable construction addresses that directly, reducing fatigue and skin irritation during 8–12 hour shifts.

Elastic collar for fast, hygienic gowning

No laces. No buckles. The elasticated topline lets wearers step in and out in seconds at airlock entry points - an operational detail that adds up across dozens of daily gowning cycles in high-throughput facilities.

Non-linting PU sole, suitable for ISO Class 5–8

The polyurethane outsole does not shed particles under normal walking conditions, supporting particulate control requirements in pharmaceutical and electronics cleanrooms. Compatible with both GMP-regulated and ISO-classified environments.

Four colors for zone differentiation

White, Blue, Navy, and Black allow facilities to run color-coded footwear programs that make cross-zone contamination events immediately visible - without relying on access logs or signage alone.

Product Specifications

Parameter	Detail
Upper Material	Striped breathable fabric (PU-coated)
Sole Material	Polyurethane (PU)
Closure Type	Elastic collar - slip-on, no laces
Available Colors	White / Blue / Navy / Black
Standard Size Range	22 cm – 28 cm (approx. EU 35–44)
Custom Options	Size and color customization available - contact for MOQ
Applicable Industries	Biopharmaceuticals, Medical Devices, Electronics Manufacturing
Cleanroom Compatibility	ISO Class 5–8 / GMP Grade B–D

Test Report Data

Test Item	Result
Sole Electrical Resistance	10⁸ – 10⁹ Ω
Resistance Classification	Electrostatic Dissipative (ESD)
Applicable Standard	GB 21148-2020
Sole Abrasion Resistance	Pass - per GB 21148-2020
Upper Tensile Strength	Pass - per GB 21148-2020
Particle Shedding	Non-linting; compatible with ISO Class 5–8 particle limits
Slip Resistance (dry)	Compliant under GB 21148-2020 flat floor test conditions

Full test report documentation available upon request.

Where These Shoes Are Used

Biopharmaceutical fill-finish lines

In GMP Grade B and C suites, personnel go through gowning anterooms multiple times per shift. The elastic collar allows quick, clean footwear changes at the entry boundary. White is the preferred color in these environments for visual cleanliness inspection before entering controlled areas. Typical setting: ISO Class 7 / GMP Grade C · Shift length: 8–12 hrs

Semiconductor and PCB assembly

ESD events on assembly lines frequently trace back to inadequate foot-to-floor grounding. These shoes keep sole resistance within the 10⁸–10⁹ Ω dissipative window, providing a consistent, measurable link in the grounding circuit for every person on the floor. Typical setting: EPA (ESD Protected Area) · Program standard: ANSI/ESD S20.20

Medical device manufacturing

Facilities producing sterile or implantable devices run contamination control programs under ISO 13485. The non-linting sole and breathable upper both contribute to particulate management targets, while the ESD rating covers facilities that also handle electrosensitive sub-assemblies on the same floor. Typical setting: ISO Class 8 cleanroom or controlled area

Multi-zone facilities running color protocols

Large electronics and pharma campuses often separate zones by contamination risk level. With four color options, facilities can assign one color per zone - making unauthorized zone crossings identifiable at a glance during audits or daily walkthroughs. Example assignment: White = Grade B · Blue = Grade C · Navy = Grade D · Black = support areas

Frequently Asked Questions

Q: Do these shoes work with heel grounders or ESD socks?

A: Yes. These shoes complete the foot-to-floor link in the grounding circuit and are designed to work alongside wrist straps, heel grounders, ESD flooring, and other elements of a layered ESD control plan - not replace them.

Q: What is the difference between ESD dissipative shoes and conductive shoes?

A: Conductive shoes have resistance below 10⁸ Ω and are intended for flammable or explosive environments where any residual charge is unacceptable. ESD dissipative shoes - this product - are designed for electronics manufacturing, where the goal is controlled dissipation, not instantaneous discharge. Using conductive footwear around live equipment introduces a shock risk for the wearer.

Q: Can we order sizes outside the 22–28 cm range?

A: Yes. Custom sizing is available on a per-order basis. Submit your required foot length measurements and our team will advise on lead time and minimum order quantity. Custom colors for brand or zoning purposes are also available for bulk orders.

Q: How should these shoes be cleaned without affecting ESD performance?

A: Wipe the sole with a damp lint-free cloth and a mild detergent. Avoid prolonged contact with alcohol-based solvents on the sole - these can degrade the PU compound over time and alter resistive properties. Always re-test resistance after any deep cleaning before returning the shoe to active service in an ESD-controlled area.

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