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PIR Insulated Sandwich Panels for Project Grade Fire Protection, Tight Joints, and Energy Efficiency
Suitable for Cleanrooms, Cold Rooms, and Industrial Facilities
PIR Fire-Rated Insulation with Low Thermal Conductivity (Low K-Value)
Tight Joint Design Reduces Thermal Bridging and Maintains Stable Temperature
Engineering Team Support for Selecting Appropriate Thickness, Span, and Load Requirements Based on Actual Site Conditions
“MKS PIR Sandwich Panels: Where World-Class Precision Meets Sustainable Engineering.”
Perfection is in the details. Utilizing cutting-edge, fully automated injection machinery, MKS produces high-performance PIR Firewall Sandwich Panels that deliver unmatched flatness, structural integrity, and premium aesthetics.
Beyond exceptional thermal control, our eco-friendly panels are engineered to adapt. With customizable colors and thicknesses, MKS seamlessly serves the rigorous demands of today’s leading sectors—from food processing and cold chain logistics to pharmaceutical cleanrooms and advanced architectural interiors.
Special Features of the Product
Excellent Z-lock System Joint detail
Superior Z-LOCK joint design for enhanced structural strength
Fire Safety and Resistance Insulation
Insulation with excellent fire resistance and flame-retardant properties
Moisture-protected Closed-Cell Insulation
Closed-cell insulation that prevents moisture penetration and condensation
Complete Fiber-free Insulation
Fiber-free insulation that is safe and non-irritating to health
High Density PIR Insulation (40kg/m3, 2.5lb/ft3)
High-density PIR insulation for enhanced strength and durability
Low K-Value PIR Insulation Core PIR
Special PIR core formulation with low thermal conductivity (Low K-Value) for superior insulation performance
Effective internal and external thermal
Excellent temperature control, reducing heat transfer between indoor and outdoor environments
Product Overview
MKS PIR Firewall Sandwich Panels can be manufactured in customized lengths and thicknesses to meet specific project requirements. The selection of panel thickness should be based on the intended operating temperature, environmental conditions, and insulation performance requirements. Choosing the appropriate panel thickness helps optimize thermal efficiency, with a heat transfer rate as low as 10 W/m².
Technical Data
Certification Type : FM Approved
Approval Standard : FM 4880 Interior Used , FM 4881 Exterior Used
Application : Wall and CeilingGreen Product Type
Green Product Type : This product contains no CFC or HCFE or urea-formaldehyde.
Thermal Conductivity (K-Value) : 0.021 – 0.023 W/m.K
| PANEL THICKNESS (MM) | 50 | 75 | 100 | 125 | 150 | 200 | |
|---|---|---|---|---|---|---|---|
| Weight (kg/m²) |
steel 0.50/0.50mm (BMT) | 10.50 | 11.50 | 12.50 | 13.50 | 14.50 | 16.50 |
| steel 0.60/0.60mm (BMT) | 11.50 | 12.50 | 13.50 | 14.50 | 15.50 | 17.50 | |
| Topic | Detail |
|---|---|
| Product Name | MKS PIR Firewall Sandwich Panel |
| Width | 1,100 - 1,200 mm. |
| Length | Up to requirement / transport / container |
| Facer |
SuperDyma CRP Antibacterial ZM180 (15Y) Stainless Steel AISI 304 PPGL/PPGI Color Steel |
| Facer Thickness | 0.45 - 0.65 mm. (APT) FM Approved ≥ 0.55 mm. (APT) |
| Facer Color | Off white / up to requirement |
| Surface Type | Flat and Rib |
| Panel Thickness | 40, 50, 75, 100, 125, 150, 200 mm. |
| Insulation Density | 40 kg/m³ (2.5 lb/ft³) |
| Thermal Conductivity (K) | 0.021 - 0.023 W/m.K |
| Operating Temperature | -100 to 100 °C |
| Test Method | FM Approved, BS-476, BS EN 13501-1 |
Wind Loading for Urban or Suburban Geography (Ref. Building Law)
Wind Loading for Open Area or Coast Geography (Ref. Building Law)
Panel Selection
| Panel Thickness (mm) |
Maximum Single Span (m) |
Temperature Limit (°C) |
R-Value (m²K/W) |
U-Value (W/m²K) |
|
|---|---|---|---|---|---|
| Wall | Ceiling | ||||
| 50 | 5.90 | 3.70 | 18 | 2.38 | 0.46 |
| 75 | 7.85 | 4.20 | 8 | 3.57 | 0.31 |
| 100 | 9.50 | 5.80 | -5 | 4.76 | 0.23 |
| 125 | 11.00 | 6.70 | -14 | 5.95 | 0.18 |
| 150 | 12.50 | 7.60 | -24 | 7.14 | 0.15 |
| 200 | 15.00 | 9.00 | -30 | 9.52 | 0.12 |
How To Select Insulation Thickness
| Goal Temp (°C) |
ΔT (°C) | Panel Thickness (mm) | Optimization mm (W/m²) |
||||||
|---|---|---|---|---|---|---|---|---|---|
| 40 | 50 | 75 | 100 | 125 | 150 | 200 | |||
| U (W/m².K) | 0.58 | 0.46 | 0.31 | 0.23 | 0.18 | 0.15 | 0.12 | K-Value: | |
| R (m².K/W) | 1.72 | 2.17 | 3.26 | 4.35 | 5.43 | 6.52 | 8.70 | 0.023 W/mK | |
| 25 | 15 | 8.63 | 6.90 | 4.60 | 3.45 | 2.76 | 2.30 | 1.73 | 40 (8.63) |
| 20 | 20 | 11.50 | 9.20 | 6.13 | 4.60 | 3.68 | 3.07 | 2.30 | 50 (9.20) |
| 15 | 25 | 14.38 | 11.50 | 7.67 | 5.75 | 4.60 | 3.83 | 2.88 | 75 (7.67) |
| 10 | 30 | 17.25 | 13.80 | 9.20 | 6.90 | 5.52 | 4.60 | 3.48 | 75 (9.20) |
| 5 | 35 | 20.13 | 16.10 | 10.73 | 8.05 | 6.44 | 5.37 | 4.03 | 100 (8.05) |
| 0 | 40 | 23.00 | 18.40 | 12.27 | 9.20 | 7.36 | 6.13 | 4.60 | 100 (9.20) |
| -5 | 45 | 25.88 | 20.70 | 13.80 | 10.35 | 8.28 | 6.90 | 5.18 | 125 (8.28) |
| -10 | 50 | 28.75 | 23.00 | 15.33 | 11.50 | 9.20 | 7.67 | 5.75 | 125 (9.20) |
| -15 | 55 | 31.63 | 25.30 | 16.87 | 12.65 | 10.12 | 8.43 | 6.33 | 150 (8.43) |
| -20 | 60 | 34.50 | 27.60 | 18.40 | 13.80 | 11.04 | 9.20 | 6.90 | 150 (9.20) |
| -25 | 65 | 37.38 | 29.90 | 19.93 | 14.95 | 11.96 | 9.97 | 7.48 | 150 (9.97) |
| -30 | 70 | 40.25 | 32.20 | 21.47 | 16.10 | 12.88 | 10.73 | 8.05 | 200 (8.05) |
| -35 | 75 | 43.13 | 34.50 | 23.00 | 17.25 | 13.80 | 11.50 | 8.63 | 200 (8.63) |
| -40 | 80 | 46.00 | 36.80 | 24.53 | 18.40 | 14.72 | 12.27 | 9.20 | 200 (9.20) |
🌡️ Energy Loss Classification
> 35 W/m² - Critical
25-35 W/m² - Very High
15-25 W/m² - High
10-15 W/m² - Moderate
5-10 W/m² - Low
< 5 W/m² - Excellent
🏭 Recommended Applications
Air-Conditioned Rooms (5–25°C): 50–75 mm
Chilled Rooms (0–5°C): 75–100 mm
Cold Storage Rooms (-20°C): 100–150 mm
Deep Freezer Rooms (< -20°C): 150–200 mm
MKS Standard
| Property | Standard | Value |
|---|---|---|
| FM Approved Achievement | FM4880 and FM4881 | FM4880 and FM4881 |
| Green Product Certify by FM | FM4880 and FM4881 | No urea-formaldehyde, no CFC or HCFC GREEN |
| Thermal Conductivity (K) | ASTM C518:2017 | 0.021 - 0.023 W/m·K |
| PIR Insulation Density | ASTM D1622 | 40 ± 2% |
| Closed cell content | ASTM D2856 | >90% |
| Compressive Strength at 10% Strain | ASTM D1621 | 210 kN/m² |
| Classification of Reaction to Fire | BS EN 13501-1:2007 + A1:2009 | B-s1, d0 (Lowest Emission Smoke Class) |
| Fire Behavior | EN 13823 | Class B (FIGRA ≤ 120 W/s) |
| Smoke Production | EN 13823 | Class s1 (SMOGRA ≤ 30 m²/s²) |
| Flaming droplets | EN 13823 | Class d0 (No flaming droplets) |
| Determine the ignitability of the product | EN 11925-2 | Result Pass |
| Flammability test by SDC | DIN 4102 part 1 | Class B2 |
| Flame Spread Index (FSI) | ASTM E84-15 | Class A |
| Smoke Developed Index (SDI) | ASTM E84-15 | Class A |
| Fire Resistance | BS 476 Part 20 and Part 22 | 4 hrs. at 100 mm |
| Wind Rating (FM 4881) | Wind Pressure Rating and Zone | +45 / -45 PSF Zone TC |
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8 Moo 9, Nong Irun Subdistrict,
Ban Bueng District, Chonburi 20220, Thailand
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1/348 Soi On Nut 59/1, Sukhumvit 77 Road,
Prawet Subdistrict, Prawet District, Bangkok 10250, Thailand
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