Opening: The Superpower of a Single Panel
Imagine a building material that doesn’t burn, blocks noise, keeps heat out in summer and in during winter, and installs like building blocks—that’s rock wool sandwich panels. It’s not sci-fi; it’s an essential “superhero” of modern steel-structure construction.
A rock wool sandwich panel is a three-layer “sandwich”: two metal facings with a rock wool core in between. This simple structure gives it a set of properties that other building materials envy.
Product Specifications at a Glance
| Parameter | Specification |
|---|---|
| Effective Width | 950mm / 1150mm |
| Thickness | 50/75/100/150/200mm |
| Steel Thickness | 0.3-0.8mm |
| Core Density | 50-150kg/m³ (Class A requires ≥120kg/m³) |
| Facing Material | Aluzinc coated steel/ 304 Stainless steel/ Aluminum |
| Coating Type | PE / HDP / PVDF |
The rock wool sandwich panel family is extensive—comprising cleanroom panels, drying tunnel panels, stainless steel sandwich panels, and aluminum-faced sandwich panels.
🧼 Purification Panels—Guardians of Clean Spaces
Also known as “cleanroom panels,” their primary function is to provide solutions for environments with strict requirements regarding cleanliness, sterility, or anti-static properties.
Key Applications: Cleanrooms, partitions, and suspended ceilings in industries such as electronics, pharmaceuticals, food processing, biotechnology, healthcare (e.g., operating rooms), precision instrument manufacturing, and scientific research laboratories.
Structure & Advantages: They feature a “sandwich” structure, typically utilizing color-coated steel or stainless steel for the outer facings and Class A1 fire-rated rock wool for the core. Some products incorporate edge sealing and reinforcing ribs to ensure panel flatness and high structural strength while meeting sealing and fire-safety requirements.
🔥 Drying Tunnel Panels—”Armor” for High-Temperature Environments
Also known as oven tunnel panels, these are specialized panels designed for environments involving continuous high-temperature operations, such as drying rooms, paint-curing booths, and coating production lines.
Key Advantages: High-temperature resistance. They effectively withstand extreme heat; some manufacturers report that even when the internal oven temperature reaches 180°C, the external panel temperature remains controlled at just “ambient temperature + 5°C.” Depending on core density and thickness, certain products can even withstand temperatures ranging from 500°C to 700°C.
Structure & Core Material: They also feature a metal-facing and rock-wool-core structure. The core density and thickness are critical; for instance, a common configuration uses rock wool with a density of 120 kg/m³ and a thickness of up to 200 mm to ensure superior thermal insulation.
Panel Characteristics: Tight joints effectively prevent heat transfer. Thanks to the rock wool core, they also offer Class A fire resistance, thermal insulation, and soundproofing capabilities.
⚙️ Stainless Steel Sandwich Panels—”Dual Achievers” in Corrosion Resistance and Cleanliness
These panels utilize stainless steel sheets for their facings, thereby inheriting the unique advantages of stainless steel.
Key Applications: Widely used in cleanroom facilities, as well as in sectors requiring enhanced corrosion resistance, such as coating lines, food processing, and pharmaceuticals.
Performance Characteristics: They can utilize rock wool cores to achieve Class A fire resistance, or be filled with other core materials depending on specific requirements. The stainless steel facing offers superior corrosion and rust resistance compared to standard color-coated steel panels; it is also exceptionally easy to clean, meeting stringent hygiene and cleanliness standards.
✨ Aluminum-Faced Sandwich Panels—An “Aesthetic Choice” for High-End Architecture
While specific mentions of aluminum-faced sandwich panels in search results are limited, industry knowledge indicates that these products typically utilize pre-roll-coated aluminum sheets for their facing material.
Key Applications: Primarily used in exterior wall systems, curtain walls, or high-end interior applications where superior aesthetics and durability are required.
Performance Characteristics: Aluminum is inherently lightweight and corrosion-resistant. Its surface can be finished with coatings such as pre-roll-coated fluorocarbon (PVDF) to achieve a wide range of colors and exceptional weather resistance, ensuring the building retains its visual appeal for decades. Additionally, when paired with a rock wool core, the panels deliver both Class A fire resistance and excellent thermal insulation.
Why Choose Us?
As a factory specializing in sandwich panel production, we don’t just sell products—we deliver solutions:
✅ Strict Quality Control: Core density guaranteed to meet standards for genuine fire ratings
✅ Flexible Customization: Multiple thicknesses, colors, and coating options available
✅ Full Certifications: Products comply with international fire standards
✅ Proven Export Experience: Serving clients across the globe
Get in Touch
Looking for the right product for your project? Let’s talk!
(Sales Manager)
QINGDAO BESINO INDUSTRY AND TRADE CO., LTD
E-mail: sales06@qdbsn.cn
Tell & WhatsApp: 008618306393929.
