How fumed silica and extreme vacuum engineering solve the ultimate limits of heat transfer.
In modern industrial design, thermal efficiency is no longer just about cost-cutting; it is a critical pillar of environmental sustainability and regulatory compliance. Achieving a thermal conductivity of 0.004 W/mK represents the absolute frontier of thermal insulation material science. For comparison, traditional insulation materials such as polyurethane (PU) foam and expanded polystyrene (EPS) operate at thermal conductivities ranging between 0.022 W/mK and 0.035 W/mK. A Vacuum Insulation Panel (VIP) with 0.004 W/mK offers five to eight times the insulating capacity at the exact same thickness.
Heat transfer through any porous material occurs via three main vectors: solid conduction, gaseous conduction, and radiative heat transfer. In traditional open-cell or closed-cell foams, gas molecules trapped within the cells collide and transfer thermal energy rapidly. VIPs minimize this by creating a partial vacuum within a nanoporous core. By utilizing fumed silica, which has an average pore size of less than 100 nanometers, the system exploits the Knudsen Effect. When the mean free path of gas molecules becomes larger than the pore size of the core material, gas conduction drops to near zero, even under mild vacuum pressures (around 1 to 10 mbar).
| Material Type | Thermal Conductivity (W/mK) | Thickness Required for R-30 (mm) | Service Lifespan |
|---|---|---|---|
| Fumed Silica VIP (0.004 W/mK) | 0.004 | 30 mm | 30 - 50 Years |
| Fiberglass Core VIP | 0.002 - 0.003 (initial) / 0.008 (aged) | 20 - 60 mm | 10 - 15 Years |
| Aerogel Insulation Blanket | 0.015 - 0.020 | 115 - 150 mm | 15 - 20 Years |
| Rigid Polyurethane Foam (PU) | 0.022 - 0.026 | 170 - 200 mm | 10 - 20 Years |
This structural combination guarantees that a fumed silica vacuum insulation panel maintain high performance for decades. The robust, multi-layer high-barrier PET/Al films prevent gas penetration and moisture ingress, preserving the internal vacuum integrity over long lifecycles.
From non-standard shapes to highly specific thermal parameters, we construct systems matching your project requirements.
Customized sizes (Thickness: 5-15mm) engineered specifically for EV battery packs. Provides thermal runaway mitigation and extreme spatial space savings.
High-temperature nano-microporous blankets designed for water heaters, industrial furnaces, and pipeline wrapping.
Ultra-thin microporous panels built to withstand extreme heat and prevent thermal deformation in elevators and cleanroom doors.
Curved, cylindrical, or CNC cut-out panels layered with high barrier PET film. Perfect for specialized cooling apparatus and complex architecture.
Flexible high-temperature mats crafted to adapt to irregular and circular profiles, ensuring seamless thermal barriers.
Premium VIP core wrapped in multi-layered PET laminate films to limit degradation and maintain the 0.004 W/mK baseline.
Sourcing industrial-grade VIPs for large-scale logistics, commercial refrigeration, and modern infrastructure.
Across the globe, industrial procurement departments are facing strict greenhouse gas (GHG) regulations and rising operational energy costs. Consequently, the demand for high-performance VIPs (especially those featuring a certified 0.004 W/mK rating) has surged exponentially in three main geographic hubs:
Sourcing and shipping vacuum insulation panels requires specialized handling. Since the panels operate under an internal vacuum, physical damage or punctures during transport can ruin their thermal performance. Zerothermo Technology Co., Ltd. (a subsidiary of the CBVAC Group) maintains a state-of-the-art production base in Nanchong City, Sichuan Province. This facility is optimized to package, palletize, and transport fragile VIP products across global marine, rail, and air shipping lanes with zero loss in vacuum pressure.
Zerothermo Technology Co., Ltd., a subsidiary of CBVAC Group and a national high-tech enterprise, is headquartered in the Beijing Economic-Technological Development Area with its production base located in Nanchong City, Sichuan Province. This facility stands as one of China’s largest comprehensive production centers for vacuum technology application products.
Our parent group's deep engineering background in ultra-high vacuum systems gives us a unique advantage. We don't just manufacture insulation; we design the vacuum machinery, the sealing tools, and the automated testing systems that ensure every single panel delivers a true thermal conductivity of 0.004 W/mK.
Our vacuum technology applications are trusted globally across cold chain logistics, construction, and high-temp industries.
We manufacture to unparalleled global standards, utilizing high-precision testing apparatus to confirm 0.004 W/mK properties before dispatch.
From non-standard flanges and custom dimensions to high-density composite envelopes, we realize complex thermal profiles quickly.
With one of China's largest production bases, we support mega-projects in high-volume industries without compromising quality control.
Our global logistics network guarantees safe delivery across key shipping lanes, preventing transit punctures and vacuum degradation.
We support you from early engineering phases to late-stage lifecycle audits, building custom profiles for global distribution.
How Zerothermo VIP systems translate theoretical efficiency into real-world industrial and commercial operations.
Pharmaceutical thermal requirements demand tight tolerances. High-value biological agents, vaccines, and gene therapies must remain within critical temperature windows (+2 to +8°C, -20°C, or -70°C). By integrating our VIP systems, cold chain boxes extend temperature hold times up to 120-160 hours without external power, reducing transit failures.
With land prices and floor-space utilization at a premium, thick insulation panels reduce leaseable internal floor area. Thin-profile VIP wall panels save up to 80% insulation thickness compared to rockwool or PU boards, allowing architects to design thin, lightweight high-performance building envelopes.
In smelting, high-pressure processing, and advanced laboratory equipment, thermal barriers must hold up under extreme heat. Our flexible high-temperature nano blankets and microporous panels provide thermal safety barriers that handle operating temperatures up to 1000°C.
Modular buildings, tiny-home eco-resorts, and pre-fabricated cabins in extreme climates use vacuum insulated glass and VIP wall structures. This delivers ultra-low HVAC energy usage in small, remote off-grid footprints.
Our engineering roadmap guarantees that thermal performance complies with rigorous global certification frameworks.
Providing thermal materials with a conductivity of 0.004 W/mK requires deep design discipline. The Zerothermo R&D pipeline is focused on three primary areas to advance vacuum insulation efficiency:
Our vacuum insulation products are tested in accordance with international testing protocols. Every batch undergoes rigorous quality assurance checking against the following standards:
Clear answers to help procurement managers, architects, and automotive engineers understand and utilize VIP technology.
Contact our sales and engineering support teams for custom VIP designs, sample orders, and project pricing.
Our technical support team is ready to assist you with system sizing, panel layout, thermal barrier calculations, and custom geometries. Let us help you integrate high-performance vacuum insulation panels into your production pipeline or construction project.
Committed to supporting China’s "dual-carbon" goals, Zerothermo Technology drives high-quality development of new quality productivity while promoting sustainable industrial advancement.
Exploring how ultra-thin insulation panels provide fire security and structural integrity in elevator assemblies.
We will exhibit our vacuum insulation solutions for cold chains, appliances, and green buildings.
How microporous structures solve thermal insulation challenges in high-temperature environments.
