EPS / MGO / Rock Wool / Polyurethane Sandwich Panel

The cleanroom sandwich panel range covers four cores - EPS, MgO, rock wool and polyurethane - bonded between steel faces for cleanroom walls and ceilings. That simple sandwich decides how a cleanzone performs for the next twenty years: the core changes what the wall resists, the faces keep what the room needs. Each room's wall and ceiling system is engineered to its fire, acoustic and insulation duty instead of being forced into one material.

Sandwich Panel Cores: EPS, MgO, Rock Wool and Polyurethane

EPS (expanded polystyrene) is the economical all-rounder: light, dimensionally stable, easy to work, and the default for general dust-free workshops. Polyurethane (PU) delivers the best thermal insulation for its weight, suiting cleanzones with tight temperature control. Rock wool is a non-combustible mineral core that also carries strong acoustic performance - the choice wherever fire strategy and noise control matter together. MgO (magnesium oxide) builds bring fire-resistant, moisture-tolerant behavior that hospitals favor for envelope walls.

All four cores bond between pre-painted steel faces, so the room-facing surfaces stay identical across the range: flat, hard, sealed. The core changes what the wall does; the faces keep what the room needs.

Cleanroom Sandwich Panel Specifications

Panels come in 50, 75 and 100mm thickness, matched to the wall type and insulation demand - lighter partitions take 50mm, insulated pharmaceutical walls take 75 or 100mm. Steel facings run 0.4-0.6mm pre-painted steel, colored to the project scheme on both faces or as specified. Standard widths of 950-1,150mm keep joints on a regular module, and lengths are cut to project drawings so site work is assembly rather than trimming.

The same coordinate system carries through the whole envelope: our cleanroom windows glaze into these panel joints, and cleanroom doors are built to the same wall thickness - wall, window and door arrive speaking the same dimensional language.

Which Core for Which Project

Choosing the core is choosing what the room must resist. Fire strategy drives the first cut: rock wool and MgO where non-combustible construction is demanded - hospital envelopes, escape-adjacent walls, plant rooms - with flame-retardant EPS and PU serving standard-duty cleanzones. Insulation duty drives the second: PU where thermal control leads, EPS where economy and stability are enough. Acoustics tip the balance toward rock wool when the room beside the wall is loud.

In practice a single project mixes cores: MgO or rock wool at the hospital boundary walls, EPS or PU inside the dust-free zones. Because faces and joints are identical across cores, the mixed envelope still reads as one system.

Wall and Ceiling Applications

Walls go up panel by panel: panels set on the level line, joints sealed, corners and coves finished to the radius the cleaning protocol expects. Ceilings use the same sandwich construction on a support grid, with the faces and joints carrying the same cleanable finish as the walls. Door and window openings are formed by the panel layout itself - the flush-mount cleanroom windows and interlocking cleanroom doors in our range are made for exactly these walls, so the envelope seals as one family of components.

Typical rooms built from this range: pharmaceutical and medical-device cleanrooms, hospital preparation and CSSD zones, electronics and battery workshops, laboratories, and food-grade cleanzones.

Handling and Installation

Sandwich panels reward care in handling and repay it in speed on site. Panels travel face-to-face with edge protection, labeled against the installation sequence; on site they are raised panel-by-panel off the level base track, each joint sealed as the run climbs, corners and coves finished to the radius cleaning protocols expect. A trained crew closes rooms quickly because the cutting was done at the factory - site work is assembly, not trimming, which keeps swarf and dust out of the very zones being built.

For ceilings the same panels set onto the support grid with lighting, filters and diffusers landing in the same plane - coordinated with the ceiling diffusers in our air-vents range, which are made for exactly these faces.

Ordering, Sizes and Lead Time

Projects start from the layout: send the drawing or panel list with room dimensions, thickness and core per zone, and we return a panel-by-panel quotation with the cutting plan for confirmation. Production runs 20-35 days after drawing confirmation; panels pack face-to-face with edge protection, labeled in installation sequence so site crews raise the envelope in order. OEM facing colors and packaging support distributor programs.