Laboratory Doors
Explore Zhenghong’s professional line of laboratory doors engineered for rigorous biosafety containment and advanced chemical resistance. From Class 8 automated hermetic doors for BSL-3 environments to high-impact cleanroom steel doors, we supply global scientific and healthcare contractors with flush-fit, ISO-compliant access solutions built directly from our certified source factory.
Medical Cleanroom Doors
Why It’s Essential for Laboratories: Specifically designed for analytical and general research laboratories where particulate control and frequent chemical wash-downs are routine. The door leaf features an entirely flush, crevice-free surface that aligns seamlessly with modular lab wall panels, eliminating structural ledges where hazardous dust or chemical residues could accumulate.
Ideal Locations: PCR preparation rooms, analytical chemistry labs, clean utility zones, and pharmaceutical R&D corridors.
Zhenghong Advantages: Fabricated with a premium antimicrobial PPGI (pre-painted galvanized iron) surface. It provides excellent long-term surface resistance against aggressive laboratory reagents, daily clinical wipe-downs, and vaporized hydrogen peroxide (VHP) decontamination protocols without peeling or degrading.
Medical Cleanroom Steel Doors
Why It’s Essential for Laboratories: Engineered for the demanding, high-traffic main logistical arteries of large-scale testing facilities. These heavy-duty doors provide the ultimate structural resilience required to withstand constant impacts from heavy lab equipment, transport carts, and mobile fume hoods being navigated through the facility.
Ideal Locations: Main laboratory entryways, equipment staging cross-overs, material buffer zones, and central supply corridors.
Zhenghong Advantages: Built with premium-grade galvanized steel sheets and a high-density, impact-absorbing structural core. Outfitted with heavy-duty reinforced stainless steel hinges and a rigid frame profile that completely eliminates structural sag or door deformation under decades of high-frequency B2B operational demands.
Medical Hermetic Doors
Why It’s Essential for Laboratories: The critical physical barrier for high-grade biosafety containment labs (BSL-2 / BSL-3) that require strict negative or positive pressure cascades to prevent aerosolized pathogen leakage. When closed, the active mechanical track actively compresses the door leaf securely against the perimeter structural gasket, forming an absolute zero-leakage atmospheric seal.
Ideal Locations: PCR amplification rooms, biological containment suites, negative-pressure infectious disease labs, and critical airlock buffers.
Zhenghong Advantages: Certified with a National Grade 8 airtightness rating. Powered by an ultra-quiet brushless microcomputer drive system ($<45\text{dB}$) featuring touchless sensor activation (foot or hand wave), ensuring seamless staff movement without the risk of hand-borne cross-contamination during sensitive experiments.
Categories
Manual Swing Doors
Performance Ratings
| Performance Metric | Rating / Standard |
| Airtightness (Hermetic Performance) | Grade 8 (Highest Level) |
| Thermal Insulation | Grade 10 |
| Fire Resistance (Flammability) | Class B1 |
| Closing Force | > 70N |
| Watertightness & Wind Pressure Resistance | Dual Grade 6 |
Automatic Sliding Doors
Performance Ratings
| Performance Metric | Rating / Standard |
| Airtightness (Hermetic Performance) | Grade 8 (Highest Level) |
| Thermal Insulation | Grade 10 |
| Fire Resistance (Flammability) | Class B1 |
| Closing Force | > 70N |
| Watertightness & Wind Pressure Resistance | Dual Grade 6 |
Product Catalog
Download our cleanroom doors catalog to review the full range (hinged and sliding. single-and double-wing). key technical data (dimensions. door thickness. surfaces). availableoptions (e.g. interlock system solutions. automation and safety components). and coreperformance features.
Share your project requirements and consult with our engineering team.