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A cleanroom injection panel is a foam-injected PU/PIR sandwich panel engineered for ultra-low thermal conductivity and fully airtight sealing in cleanroom, cold-storage and HVAC construction. Foamed continuously between two coated galvanized steel facings, this panel forms a seamless, gap-free enclosure that eliminates dust traps and air leakage points.
Available in framed PUR construction (aluminum or iron frame) or frameless, fully automated PIR construction, it is the preferred choice for facilities requiring superior insulation, fire safety, and structural airtightness across pharmaceutical, electronics, food, and chemical environments. Key architectural advantages include:
Product Origin:
ChinaShipping Port:
ShanghaiLead Time：
25
An injection panel is a sandwich panel whose core is foam-injected and cured between two coated steel facings, producing a void-free, thermal-bridge-free board. It comes in two builds: the PUR (polyurethane) panel, framed with an aluminum or iron frame connected by a central aluminum profile; and the PIR (polyisocyanurate) panel, which is frameless and made on a fully automatic, continuous production line. The facing is 0.5–0.8 mm coated galvanized steel — thicker steel gives higher flatness and impact resistance — and the unique convex-groove edge delivers excellent airtightness. Compare with the broader cleanroom sandwich panel range.
The foam is injected and cured in one pass between the two steel skins, so the core bonds fully to the facings with no gaps or thermal bridges; the convex-groove edge then locks panel-to-panel for an airtight, rigid wall.
| Thermal conductivity (λ) | 0.018 – 0.024 W/(m·K) |
| Core material | Foam-injected PUR or PIR |
| Facing | 0.5–0.8 mm coated galvanized steel (thicker = flatter, stronger); stainless steel optional |
| Fire grade | PUR B2 · PIR B1 (higher fire resistance) |
| Joint structure | Unique convex-groove, good airtightness |
| Standard colors | RAL 9002 / 9010 (custom colors available) |
| Thickness / width | Customizable to project requirements |
| Usage fields | Cleanrooms, cold storage, central air-conditioning, chemical plants |
| Feature | PUR (Polyurethane) | PIR (Polyisocyanurate) |
|---|---|---|
| Fire grade | B2 grade | B1 grade (higher resistance) |
| Frame structure | Aluminum or iron frame | Frameless design |
| Production | Injected with central aluminum profile | Fully automatic, continuous line |
| Best for | Cost-effective insulated walls | Fire-sensitive & demanding projects |
Every core answers a different priority. Use this as a quick engineering guide, then talk to our team for a tailored recommendation:
| Priority | Best choice | Why |
|---|---|---|
| Thermal insulation / energy | Injection PU / PIR | Lowest λ; airtight convex groove; ideal for cold & conditioned rooms |
| Maximum fire safety (A-grade) | Rock wool / MGO | Non-combustible cores for strict fire codes |
| Decorative / chemical-resistant face | HPL panel | Multi-color, scratch & chemical resistant, easy disinfect |
Wonclean designs, manufactures and installs modular cleanroom and laboratory systems for the pharmaceutical, medical-device, food and electronics industries, with our own production base and an in-house design team. Beyond the 2-year warranty we provide two free on-site inspections per year, 24-hour fault response and lifetime relocation service — so your investment is supported for the long term.
PIR has a B1 combustion grade, higher than PUR's B2. Under fire its surface tends to char and self-extinguish rather than spread flame, making it the preferred core where stricter fire-protection is required. For non-combustible A-grade walls, choose a rock wool or MGO core instead.
Thermal conductivity is 0.018–0.024 W/(m·K) — among the lowest of any cleanroom panel core, roughly half that of typical mineral wool or EPS. That means lower heat loss and HVAC running cost, and is why injection panels are widely used for cold storage and energy-efficient conditioned rooms.
The convex-groove joint locks panels together for excellent airtightness and structural integrity, limiting air leakage so the room holds its pressure and temperature — valuable in cleanrooms, central air-conditioning and chemical applications.
Yes. Using 0.8 mm steel instead of 0.5 mm noticeably improves surface flatness and impact resistance. We help you balance steel thickness against budget for your application.
The PUR panel uses an aluminum or iron frame connected by a central aluminum profile; the PIR panel is frameless and produced on a fully automatic, continuous line. We recommend the build based on your fire, structural and budget needs.
Panel thickness and width are customizable to your project; standard colors are RAL 9002 and 9010 with custom colors available. Send us your insulation target and we confirm the build and data sheet before production.
Tell us PUR or PIR, steel thickness, color and panel sizes. Our engineers recommend the right build and send a competitive factory-direct price — with a free sample on request. Typical reply within 24 hours.
System Overview The medical cleanroom panel is an advanced, modular architectural component engineered specifically for stringent healthcare, hospital, and pharmaceutical cleanrooms. Featuring an active antibacterial HPL or coated-metal surface, this premium panel effectively prevents microbial growth and strictly eliminates particle shedding. Integrated with highly insulated, fire-rated cores (such as Mineral Wool or PIR), these panels establish the ultimate structural foundation for sterile, contamination-controlled environments. Key operational and compliance advantages include: Seamless Hygienic Integration: Precision-engineered flush joints eliminate microscopic gaps and dust traps, streamlining rapid and rigorous daily disinfection protocols. Strict GMP & ISO Compliance: With superior cleanability grades, the panels ensure your facility consistently meets the highest regulatory standards for sterile medical environments. Rapid Installation & Durability: The standardized modular design accelerates on-site assembly, significantly reducing construction downtime while delivering long-term, low-maintenance hygiene.
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System Overview The clean room partition system is an integrated, modular wall solution engineered for high-efficiency industrial cleanroom workshops. By utilizing standardized panels, sealing profiles, and robust structural supports, this system delivers an airtight, thermally insulated barrier designed to maintain strict ISO Class 5–8 cleanliness levels. Its defining architectural feature is the 90° right-angle connection, which provides a simplified, exceptionally solid, and highly economical method for constructing airtight controlled environments. Perfectly suited for electronics, semiconductor, and mechanical component manufacturing. Key operational advantages include: Optimized Installation Efficiency: The 90° corner-to-partition alignment drastically simplifies on-site assembly, reducing labor hours and overall project costs for large-scale facilities. Economical Scalability: Provides a cost-effective, high-performance cleanroom barrier that maintains rigorous environmental control without the premium expense of medical-grade coved-corner systems. Structural Rigidity & Stability: Engineered for superior firmness, ensuring long-term durability in heavy-duty industrial production environments.
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