4 HOURS FIRE RESISTANCE PANEL

Product Overview

Handmade magnesium rock wool composite panel,high quality pre-painted galvanized as steel sheet surface,galvanized steel side cover and reinforcing rib,moisture proof glass magnesium as core material, and rock wool as insulation,be processed by pressing,heating to high airtight and high fire rate sheet.Easy installation.

• Composition: PPGI+glass magnesium+rock wool+glass magnesium+PPGl,handmade craft 

• Advantage: non-inflammable,good sound proofing and heat insulation

• Application：widely used as wall,partition and ceiling in workshop, laboratory in the field of food, pharmaceutical, electronics, scientific research, aerospace,medical and so on.

Product Specification

Key Features & Highlights

Building a facility that meets stringent regulatory standards requires materials that go beyond basic functionality. Our fire resistance panels are engineered to solve complex architectural challenges, providing peace of mind through superior material science.

Exceptional Core Integrity

The integration of high-capacity rock wool with glass magnesium plates creates a formidable barrier against extreme temperatures, preventing structural collapse during critical emergencies and maintaining zone compartmentalization.

Handmade Precision Craftsmanship

Unlike standard mass-produced alternatives, each panel undergoes a meticulous handmade pressing and heating process. This ensures flawless edge sealing and a high airtight finish that prevents microscopic particulate infiltration.

Reinforced Structural Framework

Built-in galvanized steel side covers and reinforcing ribs grant the panels extraordinary load-bearing capabilities. This minimizes the need for extensive secondary structural supports, maximizing your usable interior footprint.

Acoustic and Thermal Mastery

Achieving a 30dB sound insulation reduction and a 1.8kcal/m2/h/℃ thermal transfer rate, these panels drastically reduce HVAC energy expenditure while maintaining a serene, vibration-free environment for sensitive equipment.

Fire Resistance & Safety Compliance

When human lives and high-value equipment are on the line, settling for standard materials is not an option. This panel is engineered specifically to meet the most rigorous international building and fire safety codes, offering unmatched protection when every second counts.

Ultimate 4-Hour Endurance

Tested to withstand direct, intense flames for up to four hours, this panel provides crucial evacuation time for personnel and minimizes catastrophic property loss during severe fire incidents.

A1 Grade Non-Inflammability

Constructed entirely from non-combustible materials, the panel acts as an impenetrable firewall, effectively halting the spread of fire across different facility zones and protecting adjacent cleanrooms or laboratories.

Zero Toxic Emissions

In the event of extreme heat exposure, the core materials remain chemically stable. There is absolutely no release of asbestos, toxic smoke, or hazardous fumes, ensuring the respiratory safety of personnel and first responders during an emergency.

Composite Materials & Structural Strength

The longevity of a cleanroom or industrial partition relies heavily on its internal architecture. We have engineered a multi-layered composite system that delivers unparalleled durability and resistance to physical impact.

Multi-Layer Fortification

The synergy of PPGI steel, moisture-proof glass magnesium, and dense rock wool creates a composite wall capable of absorbing heavy impacts without denting or compromising the core insulation.

Moisture and Deformation Resistance

The glass magnesium layer acts as an active shield against high humidity, preventing the internal rock wool from degrading, sagging, or losing its insulative properties over decades of rigorous use.

Seismic and Load Stability

Thanks to the internal galvanized reinforcing ribs and the high-pressure handmade forming process, the entire wall system exhibits superior stiffness and flexural strength, offering enhanced stability in vibration-prone or seismically active regions.

Comprehensive Physical Protection

Maintaining a strictly controlled indoor climate is a constant battle against external environmental forces. Our panels serve as a highly efficient physical envelope, drastically reducing the operational strain on your facility's climate control systems.

Optimized Thermal Barrier

With a heat-insulation property of 1.8kcal/m2/h/℃, the panels trap conditioned air inside while blocking external heat. This significantly lowers the daily energy consumption required to maintain strict temperature baselines in scientific research or medical facilities.

Corrosion and Moisture Defense

The premium pre-painted galvanized surface is impervious to moisture penetration and highly resistant to corrosive cleaning agents, ensuring the pristine look and structural integrity remain intact even in rigorous daily wash-down environments.

Acoustic Isolation

The 30dB sound-insulation capacity effectively muffles heavy machinery noise from adjacent workshops, creating a quiet, focused environment essential for precision assembly lines and critical laboratory research.

Installation Efficiency & Cost Control

Time is a critical asset in any large-scale facility construction or renovation. These panels are specifically designed to accelerate project timelines while mitigating exorbitant labor expenses and minimizing site disruption.

Seamless Tongue and Groove Assembly

The precision-engineered Character Zhong-Types tongue and groove connectors allow panels to slot together effortlessly. This creates a perfectly flush, self-aligning joint that requires minimal secondary sealing and guarantees a high airtight finish.

Dry Construction Methodology

Completely eliminating the need for wet trades, the installation process is clean, fast, and dry. This allows for immediate utilization of the space upon installation completion, drastically shortening your overall engineering cycle.

Optimized Weight-to-Strength Ratio

At 44kg/m2, the panels provide heavy-duty performance without requiring specialized heavy-lifting machinery for every maneuver, significantly reducing installation crew fatigue and accelerating daily site progress.

Cleanroom & High-Standard Adaptability

Facilities operating in the pharmaceutical, aerospace, and semiconductor sectors demand an environment free from microscopic contaminants. This panel system is tailored to exceed the strict hygiene requirements of advanced cleanrooms.

Particulate-Free Surface

The ultra-smooth PPGI exterior offers zero porosity, meaning it will not shed particles, harbor dust, or support microbial growth, making it an ideal boundary for highly regulated ISO-rated cleanrooms and medical operating theaters.

Effortless Decontamination

Built to withstand aggressive sterilization protocols, the surface can be repeatedly sanitized with industrial-grade disinfectants without fading, peeling, or degrading, ensuring long-term compliance with health and safety audits.

Versatile Spatial Integration

Whether constructing a sterile surgical theater, an aerospace component assembly room, or a food processing plant, the panels seamlessly adapt to serve as non-shedding walls, load-bearing ceilings, or rigid internal partitions.

Customization & Engineering Services

No two engineering blueprints are identical. We provide comprehensive customization and dedicated support to ensure our panels align perfectly with your specific architectural requirements and project scopes.

Expansive Dimensional Flexibility

Offering standard widths of 900mm, 980mm, and 1180mm, alongside extraordinary maximum lengths of 6000mm for walls, we enable expansive, uninterrupted spans that minimize joint lines and potential contamination points.

Tailored Engineering Support

Our technical team works directly with your project managers to calculate precise load requirements, ensuring the optimal configuration of ceiling boards (up to 2000mm) and wall boards for your unique structural layout.

End-to-End Reliability

From providing initial material samples for your compliance testing to offering expert on-site installation guidance and robust long-term warranties, we eliminate procurement risks and guarantee a smooth project handover.

Why Choose Us

Sourcing critical construction materials demands a partner capable of delivering uncompromising quality at scale. As a dedicated manufacturer and supplier, we control every variable of the production process to ensure absolute perfection for your facility.

Direct Manufacturer Advantage

By overseeing the entire handmade production line, we eliminate intermediary markups, offering premium-grade fire resistance panels at highly competitive price points without ever sacrificing material integrity.

Stringent Quality Assurance

Every panel is subjected to rigorous pre-shipment inspections, verifying airtightness, dimensional accuracy, and rock wool core density (100kg/m3), ensuring zero defects upon arrival at your site.

Global Logistics Expertise

We understand the complexities of international project timelines. Our robust packaging and streamlined shipping protocols ensure your materials arrive safely, securely, and exactly on schedule, ready for immediate deployment.

Frequently Asked Questions (FAQ)

To assist your procurement and engineering teams, we have compiled answers to the most critical technical inquiries regarding our fire resistance panels.

Q1: How does the handmade craftsmanship improve the performance of the fire resistance panel compared to machine-made alternatives?

Handmade manufacturing allows for precise, localized pressure application and superior edge sealing. This meticulous process ensures the galvanized steel side covers and reinforcing ribs are perfectly integrated, resulting in significantly higher airtightness, better load-bearing capacity, and a stronger, delamination-resistant bond between the PPGI surface and the glass magnesium core.

Q2: Can the 4-hour fire resistance panels be used for both load-bearing ceilings and standard partition walls?

Yes, the panels are highly versatile. For partition walls, they can be manufactured up to 6000mm in length, providing towering, seamless dividers. For ceiling applications, the maximum length is optimized at 2000mm to maintain absolute structural integrity and prevent sagging under the 44kg/m2 weight, ensuring a safe, walkable cleanroom ceiling plenum.

Q3: What makes the Zhong-Types tongue and groove connector superior for cleanroom environments?

The Zhong-Types tongue and groove design creates a tightly interlocking, flush joint that drastically reduces microscopic gaps. This mechanical seal prevents the migration of dust, moisture, and air between different pressure zones in a cleanroom, while also expediting the dry installation process for your contracting team.

Q4: Is the rock wool core susceptible to moisture degradation over time?

No. We specifically engineer these panels with a moisture-proof glass magnesium plate situated between the exterior PPGI steel and the internal high-capacity (100kg/m3) rock wool. This dual-layer protection completely shields the rock wool from ambient humidity, preventing clumping and maintaining its 1.8kcal/m2/h/℃ thermal insulation property indefinitely.

Q5: How do these panels contribute to energy savings in temperature-controlled laboratories?

The combination of high-density rock wool and airtight handmade construction yields an exceptional thermal conductivity rate. By effectively blocking heat transfer, the panels reduce the continuous workload on your HVAC systems, leading to substantial reductions in daily operational energy costs while maintaining strict environmental tolerances.