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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.
Hot Tags: clean room panel supplier · cleanroom wall panels · cleanroom panel manufacturer · PIR cleanroom panel · cleanroom sandwich panel · clean room partition
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.
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 sliding door systems provide exceptional performance, offering a wide range of innovative options to meet the needs of all environments. From hospital entrances to retail stores; smooth, quiet and reliable operation is delivered with modular configuration options. Flexibility in design ensures that automatic Sliding Door systems suit any application.
Overview: Pass box is a kind of auxiliary equipment for clean room. It is mainly used for the transfer of small items between clean area to another clean area, between clean area and non-clean area, to reduce the number of times the clean room is opened and pollute the clean room. Reduce to a minimum. The transfer window is made of stainless steel and is smooth and smooth. The double doors are interlocked to each other to effectively prevent cross-contamination. They are equipped with electronic or mechanical interlocking devices and equipped with ultraviolet germicidal lamps.
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.
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