Designed for premium refrigerators and energy-efficient building envelopes. Fiberglass core offers lowest thermal conductivity.
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Tempered glass sheets with custom vacuum barriers, delivering extreme U-values for commercial glazing and architecture.
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Advanced microporous structures suited for high-temperature kilns, heavy industrial heat shields, and aerospace projects.
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Flexible, heat-resistant blanket panels crafted to fit complex geometries and high-temperature pipework seamlessly.
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Pre-integrated wall elements utilizing advanced vacuum barriers for zero-carbon architecture and fast construction.
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Thermal runaway prevention barriers customized for electric vehicle battery packs and energy storage modules.
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Ultra-thin wrapping solutions designed to drastically decrease standby heat losses in domestic and industrial water heaters.
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Spacious cold chain containers and logistics setups rely on customized fumed silica VIPs for temperature stabilization.
View More →In modern industrial design, building retrofits, and high-performance equipment manufacturing, thermal efficiency is no longer simply a design preference—it is a core economic and regulatory driver. The deployment of 25mm thermal insulation boards has emerged as the definitive standard for engineering applications requiring high thermal resistance within strict spatial constraints. Whether utilizing vacuum core physics or nano-microporous matrices, a thickness of 25mm offers the ultimate balance between structural resilience and minimal volume occupancy.
Across Europe, the Americas, and Asia-Pacific, decarbonization mandates such as the EU's Energy Performance of Buildings Directive (EPBD) and ASHRAE 90.1 guidelines in the United States are pushing engineering boundaries. Traditional foam materials like Expanded Polystyrene (EPS) and Polyurethane (PU) require thicknesses of 100mm to 200mm to meet modern R-value requirements. In contrast, 25mm vacuum insulation panels (VIPs) provide identical thermal performance at a fraction of the thickness.
This massive space-saving advantage has transformed high-density real estate and logistics. In cold chain logistics, replacing 80mm of polyurethane foam with a 25mm fumed silica VIP expands the internal cargo storage volume by up to 30%, directly driving shipping profitability. As global companies pivot toward high-efficiency materials, the demand for verified manufacturers of thin-profile, high-integrity vacuum insulation has experienced rapid growth.
To assist procurement managers and thermal design engineers, we provide a comparison of various insulation core materials at a standardized 25mm thickness:
| Insulation Type (25mm Thickness) | Thermal Conductivity (λ) | Approximate R-Value (per 25mm) | Core Temp Range (°C) | Primary Applications |
|---|---|---|---|---|
| Fumed Silica Vacuum Panel (VIP) | ≤ 0.0045 W/m·K | R-30 to R-35 | -50 to 80 °C | Cold Chain Containers, Refrigerators, Facades |
| Fiberglass Core Vacuum Panel | ≤ 0.0025 W/m·K | R-50 to R-55 | -50 to 70 °C | Premium Refrigeration, Cryogenic Transport |
| Nano-Microporous Silica Board | ≤ 0.020 W/m·K (at 600°C) | R-7.5 to R-9 | Up to 1000 °C | Industrial Kilns, Fireproof Doors, Metallurgy |
| Rigid Polyurethane (PUR/PIR) | 0.022 - 0.026 W/m·K | R-5.5 to R-6 | -30 to 110 °C | Standard Roofing, Wall Cavities |
| Extruded Polystyrene (XPS) | 0.030 - 0.034 W/m·K | R-4.2 to R-4.8 | -50 to 75 °C | Foundation Insulation, Under-slab |
This empirical data shows that at 25mm, vacuum-sealed fumed silica and fiberglass systems yield an R-value up to ten times greater than conventional organic foams. This is achieved by evacuating the air, which eliminates convective heat transfer, while the dense microporous core dampens molecular collision and radiative heat flow.
As sourcing budgets face scrutiny, China has evolved from a bulk manufacturer to a hub of advanced high-vacuum technologies. Zerothermo Technology Co., Ltd. (a subsidiary of the prestigious CBVAC Group) runs one of the world's most advanced manufacturing bases for vacuum thermal solutions in Nanchong, Sichuan Province. This facility benefits from fully integrated domestic supply chains, proprietary cleanroom automated core-wrapping processes, and industrial-grade high-vacuum sealing chambers.
By using automated laser cutting, precise core drying systems, and multi-layered high-barrier foil lamination, Zerothermo ensures that every 25mm panel meets strict outgassing tolerances. The resulting products deliver long-term thermal stability spanning over several decades. Our advanced production scale allows us to provide custom sizes, specialized shapes, and high-volume orders without compromising quality.
Product Details: Size: Customized | Thickness: 5-25mm. High-strength barriers preventing thermal runaway propagation between lithium cells.
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Product Details: Size: Customized | Thickness: 5-25mm. Engineered to fit domestic boilers and industrial process tanks.
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Our elevator fireproof door high temperature nano microporous insulated boards provide structural safety and heat block.
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Complex geometries, curves, and cut-outs designed specifically to bypass structural bolts and complex system pipework.
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Flexible wrap configurations optimized for high-temperature cylindrical pipework, boilers, and industrial ducts.
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Product Features: Premium PET protective layer combined with state-of-the-art fumed silica core. Unparalleled durability.
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Product Features: Custom vacuum panel design for medical coolers and cargo systems to keep constant temperature profiles.
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Product Features: Extravagant sizes designed to cover broad panels without seams, avoiding unwanted thermal bridging.
View Details +Zerothermo Technology Co., Ltd., a subsidiary of the CBVAC Group and a national high-tech enterprise, is headquartered in the Beijing Economic-Technological Development Area. Our state-of-the-art production base is situated in Nanchong City, Sichuan Province. This facility stands as one of China’s largest comprehensive production centers for vacuum technology application products, driving the global transition to high-performance insulation.
Special sizes (beyond the range of ANSI/ASME/DIN and other standards) are produced according to customers' drawings.
Square, oval or other special shaped flanges. Oversize/small diameter: such as diameter over 60 inches or micro precision flanges.
We manufacture to strict international quality standards, ensuring long-term system durability and reliable, high-performance thermal insulation.
Our engineering team can design custom shapes, unique thicknesses, and specific edge structures to match your unique system requirements.
With our automated assembly lines, we can quickly scale up production to handle large-scale international projects on schedule.
Our global shipping partnerships ensure secure and efficient delivery, with robust protective packaging to prevent damage to the vacuum seal.
We provide full lifecycle support, from initial design and simulation to installation guidance and long-term performance tracking.
A key advantage of the 25mm thickness profile is its versatility across different sectors. Below, we examine the typical deployment scenarios where 25mm thermal insulation boards serve as critical components:
In high-density urban environments, spatial volume is a valuable asset. Insulating external building envelopes with standard 150mm insulation reduces internal floor space. By installing 25mm vacuum insulation boards, architects can reclaim valuable space while meeting stringent fire resistance and thermal barrier requirements. This is especially useful in elevator shafts, fire doors, and thin floor slabs, where space is highly constrained.
The global distribution of sensitive therapeutics and fresh foods relies on constant temperature control. Vacuum insulation panels (VIPs) with fumed silica cores provide reliable thermal protection for transport boxes and shipping containers. Using a 25mm thickness ensures the interior payload volume is maximized, while maintaining strict thermal control during multi-day ocean or air transport.
As battery densities in electric vehicles continue to rise, thermal safety is a critical design focus. High-temperature resistant 25mm microporous boards are integrated into battery compartments to act as fire barriers. These lightweight, low-conductivity panels help contain localized cell failures, protecting passengers and structural components.
For operations involving kilns, laboratory ovens, and smelting systems, reducing heat loss is crucial for energy efficiency. 25mm nano-microporous panels can withstand continuous operating temperatures of up to 1000°C. These thin panels help minimize furnace wall thickness, increasing working capacity while protecting nearby electronics from high-temperature exposure.
Providing high-efficiency thermal insulation solutions for building envelope systems through innovative products such as vacuum insulation panels and vacuum insulated glass, empowering - the construction sector to reduce carbon emissions and achieve carbon neutrality.
Providing high-efficiency thermal insulation solutions for building envelope systems through innovative products such as vacuum insulation panels and vacuum insulated glass, empowering - the construction sector to reduce carbon emissions and achieve carbon neutrality.02
Providing high-efficiency thermal insulation solutions for building envelope systems through innovative products such as vacuum insulation panels and vacuum insulated glass, empowering - the construction sector to reduce carbon emissions and achieve carbon neutrality.03
Providing high-efficiency thermal insulation solutions for building envelope systems through innovative products such as vacuum insulation panels and vacuum insulated glass, empowering - the construction sector to reduce carbon emissions and achieve carbon neutrality.03
Custom thermal barrier installation utilizing 25mm advanced VIP panels to maintain precise microclimate zones.
Precision temperature control systems engineered with customized silica board assemblies for demanding tech operations.
Zero-carbon building initiatives featuring vacuum insulated glass and thin VIP walls to meet modern school energy efficiency targets.
High-integrity cold boxes fitted with 25mm fumed silica vacuum panels, preserving thermal stability for medical supply runs.
Committed to supporting China’s “dual-carbon” goals, Zerothermo Technology drives high-quality development of new quality productivity while promoting sustainable industrial advancement.
Evaluating safety dynamics and fire protection standards for modern building elevator systems.
Showcasing our latest range of vacuum technology products and custom thermal systems at the Canton Fair.
Investigating how advanced microporous silica cores are replacing older rockwool insulation variants.
Purchasing teams must evaluate key performance metrics to ensure long-term reliability. We recommend focusing on the following criteria during your selection process:
1. Thermal Conductivity Verification (λ-value): Ensure the manufacturer provides certified laboratory reports (such as ASTM C518 or ISO 8301) verifying the thermal conductivity. For VIPs, performance should be evaluated at both center-of-panel and edge-of-panel locations to account for minor thermal bridging.
2. Vacuum Envelope Integrity: The barrier film is critical for maintaining vacuum performance. Premium manufacturers use multi-layered laminate films containing aluminum foil to prevent water vapor and oxygen transmission, protecting the vacuum core for decades.
3. Compressive Strength Requirements: Depending on the load, select a core with appropriate mechanical strength. Fumed silica cores offer moderate strength suitable for most structures, while fiberglass systems are optimized for non-load bearing applications.
4. Outgassing and Gas Getter Quality: Quality panels include integrated desiccant and getter materials within the vacuum bag. These elements absorb trace moisture and gas molecules that slowly permeate the envelope, maintaining insulation performance over time.
We offer a one-stop vacuum insulation board solution. Contact us for a customized quote or technical consultation.
Premium-grade PET protective laminates surrounding a durable fumed silica core, designed for challenging construction spaces.
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High-temperature structural panels designed for integration into commercial elevators and fire doors.
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Engineered for cold chain containers to ensure stable temperatures for sensitive vaccines and pharmaceuticals.
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Combining high-performance insulation and outer cladding into a single, easy-to-install decorative wall panel.
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Designed for optimal thermal performance, utilizing fumed silica cores protected by layered polymer films.
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Cost-efficient structural wall panels designed to minimize thermal bridging in residential building envelopes.
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Pre-finished modular wall panels designed to speed up installation and meet demanding thermal specifications.
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Flexible, thin nano blankets optimized for wrapping pipe networks, steam systems, and curved surfaces.
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