Cleanroom Sandwich Panel Specification: Thickness, Width, Density & Performance Requirements
? 1. Standard Dimensions of a Cleanroom Sandwich Panel
Parameter | Standard Value | Custom Range |
|---|---|---|
Panel Width | 1150mm (effective) | 950–1200mm |
Panel Length | 2–12m (custom cut) | Up to 15m |
Thickness | 50mm, 75mm, 100mm | 40–200mm |
Skin Thickness | 0.5mm (wall), 0.6mm (ceiling) | 0.4–1.0mm |
How to Choose Panel Thickness:
Thickness | Best For |
|---|---|
50mm | Interior partitions, dry cleanrooms (ISO 7/8) |
75mm | Standard walls, moderate insulation |
100mm | Cleanroom sandwich panel for pharmaceutical, exterior walls, cold rooms |
150mm | Cold storage (-25°C), high-insulation requirements |
200mm | Extreme cold storage, freezer rooms |
⚖️ 2. Core Density: The Hidden Specification
Core density is the most commonly under-specified parameter. A cleanroom sandwich panel with low-density core will sag, delaminate, and lose fire rating.
Minimum Core Density by Type:
Core Type | Minimum Density | Recommended Density |
|---|---|---|
Rockwool | 100 kg/m³ | 120–150 kg/m³ |
PIR | 35 kg/m³ | 40–45 kg/m³ |
MgO | 900 kg/m³ | 1000–1200 kg/m³ |
Aluminum Honeycomb | 80 kg/m³ | 100–120 kg/m³ |
How to Verify Density:
Weigh a sample: Cut a 1m × 1m sample and weigh it
Check the mill cert: The supplier should provide density data
Visual inspection: Low-density rockwool looks fluffy and compresses easily
? 3. Performance Requirements by Cleanroom Class
ISO 5 (Class 100) — Pharmaceutical Filling Areas
Requirement | Specification |
|---|---|
Core | Cleanroom sandwich panel with rockwool core (≥120 kg/m³) |
Skin | Cleanroom sandwich panel with stainless steel (304, #4 finish) |
Joint | Cleanroom sandwich panel with flush joint |
Surface roughness | Ra ≤ 0.8µm |
Fire rating | A-grade |
ISO 6 (Class 1000) — Pharmaceutical Secondary Packaging
Requirement | Specification |
|---|---|
Core | Cleanroom sandwich panel with rockwool core (≥120 kg/m³) |
Skin | Cleanroom sandwich panel with antimicrobial coating or stainless steel |
Joint | Cleanroom sandwich panel with flush joint |
Fire rating | A-grade |
ISO 7 (Class 10,000) — Electronics Assembly
Requirement | Specification |
|---|---|
Core | Cleanroom sandwich panel with rockwool core (≥100 kg/m³) |
Skin | PVDF-coated galvanized steel (0.5mm) |
Joint | Cleanroom sandwich panel with flush joint |
Fire rating | A-grade or B1 |
ISO 8 (Class 100,000) — General Manufacturing
Requirement | Specification |
|---|---|
Core | Cleanroom sandwich panel with rockwool core or cleanroom sandwich panel with PIR core |
Skin | PVDF-coated steel (0.5mm) |
Joint | Standard or flush joint |
Fire rating | B1 or A-grade |
? 4. Special Specifications for Cold Rooms
For cold storage, the specification changes significantly:
Parameter | Cold Room (-25°C) | Pharmaceutical Cold Chain (2–8°C) |
|---|---|---|
Core | Cleanroom sandwich panel with PIR core | Cleanroom sandwich panel with PIR core |
Thickness | 150mm | 100mm |
Skin | PVDF-coated steel (0.5mm) | Cleanroom sandwich panel with stainless steel (0.5mm) |
Joint | Cam-lock with gasket | Cleanroom sandwich panel with flush joint |
Floor | Reinforced bottom skin (0.8mm) | Reinforced bottom skin (0.8mm) |
? 5. SAMZOON: Specification Support
As a cleanroom sandwich panel Foshan manufacturer, SAMZOON provides:
Free specification review — our engineers check your drawings and recommend the right panel
Sample kits — verify core density, skin thickness, and surface finish
Documentation — mill certs, fire test certificates, coating reports
Installation guide — a cleanroom sandwich panel installation guide with every order
SAMZOON Standard Specifications:
Parameter | Wall Panel | Ceiling Panel |
|---|---|---|
Width | 1150mm | 1150mm |
Thickness | 50/75/100mm | 50/75/100mm |
Skin | 0.5mm steel | 0.6mm steel |
Core | Rockwool / PIR / MgO | Rockwool / Aluminum Honeycomb |
Joint | Flush joint | Flush joint |
✅ 6. Specification Checklist
Item | Your Specification |
|---|---|
Panel width | ☐ 1150mm standard / ☐ Custom: ____ |
Panel thickness | ☐ 50mm / ☐ 75mm / ☐ 100mm / ☐ 150mm |
Core type | ☐ Rockwool / ☐ PIR / ☐ MgO / ☐ Aluminum Honeycomb |
Core density | ☐ ____ kg/m³ |
Skin material | ☐ PVDF steel / ☐ Stainless steel / ☐ Antimicrobial coating |
Skin thickness | ☐ 0.5mm / ☐ 0.6mm / ☐ 0.8mm |
Joint type | ☐ Flush joint / ☐ Standard tongue & groove |
Fire rating | ☐ A-grade / ☐ B1 |
Documentation | ☐ Mill cert / ☐ Fire test / ☐ Coating report |
