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A PU Cleanroom Panel bonds two coated-steel facings to a rigid polyurethane (PU) foam core — a high-insulation, airtight cleanroom wall and ceiling panel made to a ≤ 2 mm/2 m flatness tolerance. Key advantages:
A PU cleanroom panel is a metal sandwich panel made by foaming or bonding a rigid polyurethane (PU / PUR) core between two color-coated steel facings. The closed-cell foam gives the lowest thermal conductivity of any cleanroom core, plus an airtight seal, low weight and a strong bond to the steel skins. The facings provide an anti-static, wipe-clean, corrosion-resistant surface, making the panel the first choice for temperature- and humidity-controlled rooms.
PU offers outstanding insulation but a fire classification of B1/B2 rather than A-grade, so it is specified where thermal performance and sealing lead the requirement — cold rooms, cold-chain and controlled environments. Where a higher fire rating is required, the PIR panel (B1) keeps similar insulation, while the rock wool and MgO rock wool panels are A-grade non-combustible.
Part of Wonclean's cleanroom sandwich panel family, the PU panel pairs with matching ceiling systems and cleanroom doors and windows for a fully sealed, flush cleanroom wall system.
| Panel thickness | 50 mm standard; 75 / 100 mm and other thicknesses fully customizable |
| Effective width | 1150 mm standard (1180 mm overall); 980 mm optional |
| Panel length | Cut-to-size, typically up to 6000 mm per panel; longer on request |
| Facing (steel) | Top-brand pre-painted / galvanized steel 0.4–0.6 mm; stainless steel option |
| Core | Rigid polyurethane (PU/PUR) closed-cell foam, density 38–45 kg/m³ |
| Thermal conductivity | λ ≈ 0.022–0.024 W/(m·K) — best in range |
| Fire rating | Fire class B1 / B2 by formulation; for A-grade choose rock wool / MgO |
| Weight | Lightweight ≈ 11–14 kg/m² depending on facing & thickness |
| Flatness tolerance | ≤ 2 mm / 2 m for tight, gap-minimised joints |
| Joint system | Tongue-and-groove, cam-lock or aluminium H / C connectors |
| Standards / lead time | EN 13501-1 · ASTM E84 · BS 476 · ISO 9001 · CE · China / Shanghai · ~10–25 days |
Standard configurations shown; all dimensions, steel gauge, core density, color and certificates are tailored per project — request the full datasheet & test reports.
Choose PU when thermal insulation and sealing are the top priority — cold rooms, cold-chain and controlled-temperature areas — as it has the lowest thermal conductivity. If you need a higher fire rating with similar insulation, the PIR panel (B1) is better; for A-grade non-combustible walls choose rock wool.
The PU core is fire class B1 or B2 depending on formulation — flame-retardant grades are available. We supply third-party test reports to EN 13501-1, ASTM E84 and BS 476, plus ISO 9001 and CE. Where regulations demand A-grade, we recommend a rock wool or MgO core instead.
PU offers the lowest thermal conductivity in our range, around λ ≈ 0.022 W/(m·K). That means thinner panels achieve the same insulation as thicker mineral cores, saving space and reducing the energy cost of keeping a room cold or at a stable temperature.
The closed-cell PU core acts as a moisture and vapour barrier, and tongue-and-groove or cam-lock joints seal each junction. Correctly installed with sealed joints and a continuous vapour barrier, the system controls condensation in chilled and humidity-controlled spaces.
Standard is top-brand pre-painted steel (stainless available) in RAL or custom colors, made to ≤ 2 mm/2 m flatness. A single project uses the same steel coil batch for color consistency; large multi-batch orders are color-matched with the mill or zoned by area.
Sample/small orders typically ship in 10–15 days and a full container in about 20–25 days from Shanghai. Steel gauge, color, thickness and certificates are made to order — send your panel schedule and we will confirm exact MOQ, lead time and FOB/CIF/DDP pricing.
Send us your thickness, steel facing, color, target temperature, fire class and panel quantity. Our engineers return a panel schedule, test reports and a factory-direct quotation — typically within 24 hours.
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System Overview A Rockwool Cleanroom Panel bonds two corrosion-resistant color-steel facings to a high-density rock wool core — an A-grade fireproof, sound-insulating cleanroom wall and ceiling panel made to a ≤ 2 mm/2 m flatness tolerance. Key advantages: A-Grade Fireproof: Non-combustible mineral-wool core with up to 1–2 h fire resistance. Durable Steel Facing: Top-brand coated steel — corrosion-resistant, anti-static, no dust accumulation. Thermal & Acoustic: Dense rock wool damps noise and stabilizes temperature for HVAC.
System Overview A PIR Cleanroom Panel bonds two coated-steel facings to a rigid polyisocyanurate (PIR) foam core — a high-insulation, fire-improved cleanroom wall and ceiling panel made to a ≤ 2 mm/2 m flatness tolerance. Key advantages: Insulation + Better Fire: Near-PU thermal performance with an upgraded Class B1 fire rating. Chars, Doesn't Melt: Forms a stable char with low smoke under fire, improving fire integrity. Lightweight & Sealed: Closed-cell core blocks moisture, with a strong facing bond and clean surface.
System Overview A Duct Cleanroom Panel is a pre-insulated board for fabricating clean HVAC air ducts — a smooth metal facing over a rigid insulation core, with a galvanized perimeter for flanged jointing, made to a ≤ 2 mm/2 m flatness tolerance. Key advantages: Built-in Insulation: The core insulates and prevents condensation — no separate lagging needed. Clean, Low-Leakage Airway: Smooth, dust-free interior with airtight, sealed joints. Light & Fast to Build: Lighter than sheet-metal duct and quick to cut, fold and assemble on site.
System Overview A Magnesium Oxide Rock Wool Cleanroom Panel bonds two A1 magnesium oxide (MgO) facings to a high-density rock wool core — an all-inorganic, fireproof and moisture-proof cleanroom wall and ceiling panel built to a ≤ 2 mm/2 m flatness tolerance. Key advantages: A1 Non-Combustible: Double MgO facing plus A-grade core — passes strict fire-code audits. Moisture & Mold Proof: Inorganic build with no rust, no off-gassing and zero swelling in wash-down rooms. Walkable & Flat: Anti-sag rigid skeleton for seamless wall and ceiling runs.
System Overview An Aluminum Honeycomb Cleanroom Panel bonds two thin metal facings to a lightweight aluminum honeycomb core — an ultra-flat, high-rigidity, A-grade cleanroom wall and ceiling panel made to a ≤ 2 mm/2 m flatness tolerance. Key advantages: Lightweight & Strong: High strength-to-weight ratio — ideal for FFU and walkable ceilings. Ultra-Flat & Rigid: Dimensionally stable, sag-free surface for high-grade flush finishes. A-Grade & Clean: Non-combustible, corrosion-resistant, anti-static and dust-free.
System Overview An HPL Cleanroom Panel bonds two high-pressure laminate (HPL) facings to a configurable core (honeycomb, MgO or rock wool) — a chemical-resistant, decorative cleanroom wall and ceiling panel made to a ≤ 2 mm/2 m flatness tolerance. Key advantages: Chemical & Disinfectant Resistant: Withstands alcohol, hydrogen peroxide and bleach for frequent cleaning. Scratch-Proof & Rust-Free: Hard, impact-resistant surface that never corrodes. Color-Stable & Decorative: Color runs through the board — many colors and wood-grain finishes.
System Overview An Insulated Cleanroom Panel is a perforated, sound-absorbing acoustic wall and ceiling panel — a micro-perforated metal facing over a high-density rock wool core that absorbs noise while it insulates, built to a ≤ 2 mm/2 m flatness tolerance. Key advantages: Absorbs Noise: Perforated face plus mineral core cuts reverberation and lowers room noise levels. Cleanroom-Safe: Acoustic fleece behind the perforations stops fibre release — dust-free and A-grade non-combustible. Insulates Too: The rock wool core adds thermal insulation in a single board.
System Overview A Silica Rock Cleanroom Panel bonds two coated-steel facings to a rigid, inorganic silica rock (silicon crystal) core — an A-grade fireproof, moisture-proof and high-strength cleanroom wall and ceiling panel made to a ≤ 2 mm/2 m flatness tolerance. Key advantages: A-Grade Fireproof: Non-combustible mineral core, no droplets or heavy smoke under fire. Moisture-Proof: Water absorption ≤ 5% — does not swell, far better than ordinary rock wool in damp areas. Rigid & Strong: Hard, high-density board with strong impact and compressive resistance.
Overview: Clean room ceiling grid is a structural framework of aluminum or steel tracks that supports modular ceiling panels and FFUs. It enables precise alignment of cleanroom components, ensures airtight joints, and allows for scalable, reconfigurable ceiling layouts. Designed for durability and hygiene, it facilitates easy access to services and is essential for maintaining cleanroom integrity across industries like semiconductors and biotechnology.
Overview: The aluminum profile is an aluminum material obtained by hot melt and extrusion to obtain different cross-sectional shapes. The production process of aluminum profiles mainly includes three processes of casting, extrusion and coloring.
Video Showcase Overview This modular clean room video shows Wonclean’s cleanroom design, manufacturing, installation, and project delivery capabilities for controlled environment applications. Through real project footage, engineers and procurement teams can quickly review our cleanroom panels, modular assembly process, FFU ceiling system, and finished ISO-compliant cleanroom environment. For technical specifications, layouts, and customized solutions, please visit our Modular Cleanroom product page.
Overview: Data Center Ceiling is a specialized overhead system designed for IT facilities, integrating cable management, airflow containment, and fire-rated panels. It supports hot/cold aisle containment, reduces cooling costs, and ensures accessibility for maintenance. Key features include seismic resistance, modular design, and compatibility with raised floors, enabling efficient cooling management and infrastructure scalability in server rooms and data halls.
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