Best Vacuum Insulation R Value Manufacturers & Company

Optimize energy efficiency with industry-leading thermal envelope solutions. Discover the mechanics of Vacuum Insulation Panels (VIPs), thermal resistance calculation, and industrial customization options.

Technical Insights

Understanding the Physics of R-Value in VIPs

Thermal insulation effectiveness is fundamentally defined by the thermal resistance, commonly referred to as the R-value. When analyzing high-performance insulation solutions, particularly Vacuum Insulation Panels (VIPs), standard R-value comparisons fail to capture the exponential thermal efficiency improvements these structures provide.

Traditional thermal insulation materials—such as Polyurethane (PU) foam, Expanded Polystyrene (EPS), and mineral wool—rely on trapping gas or air molecules within a porous structure. However, gas conduction remains a primary mechanism of heat transfer. The core concept behind a Vacuum Insulation Panel (VIP) is the evacuation of this internal gas, reducing pressure below the threshold where gas conduction contributes to thermal transmittance.

By extracting air from the core material matrix (whether it is fumed silica or glass fiber) and enclosing it within an impermeable, airtight barrier envelope, the thermal conductivity ($\lambda$) can drop to as low as 0.0015 to 0.002 W/m·K. This corresponds to an initial R-value of up to R-60 per inch, compared to PU foam which yields approximately R-7 per inch, and mineral wool which provides R-3.5 to R-4 per inch.

Key Equation: Thermal Resistance (R)

R = d / λ (where d is thickness in meters, and λ is thermal conductivity in W/m·K). With a vacuum-sealed core, λ is minimized, elevating the R-value exponentially without increasing the component thickness.

Insulation Material Thermal Conductivity (λ - W/m·K) Typical R-Value per Inch (h·ft²·°F/Btu) Space Savings (Relative to R-30 target)
Fumed Silica Core VIP 0.002 - 0.004 R-35 to R-50 90% - 95% Space Savings
Fiberglass Core VIP 0.0015 - 0.003 R-45 to R-65 92% - 97% Space Savings
Polyurethane Foam (PU) 0.022 - 0.028 R-6.0 to R-8.0 Baseline reference
Extruded Polystyrene (XPS) 0.029 - 0.035 R-5.0 Requires 6x larger footprint
Mineral Wool / Glass Fiber 0.038 - 0.045 R-3.5 to R-4.2 Requires 10x larger footprint
About Zerothermo Technology

Leading the Vacuum Insulation Revolution

Zerothermo Technology Co., Ltd., a subsidiary of the renowned CBVAC Group, is a national high-tech enterprise dedicated to the design, optimization, and production of ultra-high-efficiency vacuum insulation products. Headquartered in the Beijing Economic-Technological Development Area, Zerothermo has established its state-of-the-art production base in Nanchong City, Sichuan Province. This facility stands as one of China’s largest and most comprehensive manufacturing complexes for industrial vacuum technology and advanced thermal applications.

Integrating research, engineering, and mass production, Zerothermo specializes in manufacturing vacuum insulation panels (VIPs), vacuum insulated glass (VIG), and custom high-temperature nano-microporous thermal barriers. Our advanced facilities are certified under global standards, including ISO 9001 and ISO 14001, ensuring that our products serve critical thermal management needs in green building, cold-chain pharmaceuticals, transit systems, and domestic refrigeration.

Zerothermo Vacuum Chamber Production
VIP Panel Inspection Process
R-Value Testing Station
R&D Team Size
330

Patented Vacuum Solutions

Production Staff
1100

Global Projects Completed

Production Bases
3+

Production Sites in China

Annual Output Capacity
400,000

Sqm Annual Output (VIPs)

Manufacturing Edge

Why Sourcing from China Factories Maximizes R-Value ROI

The convergence of rare raw material supply, advanced automated machinery, and vacuum engineering cluster ecosystems in China.

Raw Material Dominance

China produces a significant portion of the world's high-purity fumed silica and fiberglass substrates. This direct access to raw materials eliminates cross-border logistics costs and guarantees consistency in density, pore structures, and chemical purity, yielding a more stable, long-term insulation R-value.

Advanced Getter & Desiccant Systems

Our Sichuan Nanchong factory integrates specialized moisture and gas-adsorption getter matrices inside each VIP panel. These proprietary alloys capture trace outgassed moisture and air molecules over time, preserving the interior vacuum pressure (< 1 mbar) and maintaining high R-value levels for over 50 years.

Automated Evacuation Chambers

Utilizing CBVAC Group's world-class high-vacuum pumps and multi-chamber batch evacuation ovens, Zerothermo ensures uniform vacuum levels. Industrial scale automation guarantees that every single batch achieves optimal edge-sealing and zero fold defects, preventing premature R-value decay.

Our Core Capabilities

Why Industry Leaders Choose Zerothermo

01
World-Class Quality

World-Class Quality & Standards

Our vacuum core processing complies with rigorous ASTM and European technical evaluations, delivering unmatched dimensional tolerance and long-term insulation reliability.

02
Custom Solutions

Custom-Tailored Technical Solutions

With an agile engineering team, we can design specialized complex geometries, custom curved shapes, and thermal wraps tailored for specific machine housings.

03
Scalable Production

Scalable & Integrated Production

Leveraging our vast Nanchong Sichuan base, we execute high-volume contracts for Fortune 500 home appliance manufacturers and construction companies with fast lead times.

04
Logistics

Streamlined Logistics & Global Reach

Protected by specialized impact-resistant packaging and moisture-sealed containers, our products are shipped globally with minimal transit defect risk.

05
Trusted Partner

Your Long-Term Procurement Partner

We provide full life-cycle validation, offering diagnostic services and vacuum inspection equipment to verify panel health at each project deployment stage.

Global Applications

Macro Industry Applications & Performance Metrics

Vacuum technology is crucial for achieving net-zero targets and ensuring thermal isolation across diverse industrial ecosystems.

Pharmaceutical Cold Chain

Pharmaceutical Cold Chain

Enabling critical temperature maintenance (-70°C to +8°C) for vaccines and biological samples. The high R-value ensures compliance during shipping delays, preventing thermal excursions inside vaccine coolers.

Architecture

Architecture & Green Building

Ideal for curtain walls, exterior envelopes, and floor installations. Provides maximum thermal resistance (R-50 per inch) to achieve Passive House performance targets while saving rentable floor space.

High-Temperature Industry

High-Temperature Industry

Providing microporous structures and flexible insulation jackets capable of containing heats exceeding 1000°C. Protects adjacent components in elevator fireproof doors and heavy kilns.

Culture and Tourism

Culture & Tourism Prefabs

Empowering modular container structures, mobile eco-villas, and high-altitude shelters to resist extreme sub-zero weather conditions with integrated vacuum wall panels.

Tailored Engineering

Customized Vacuum Insulation & Materials Solutions

Custom dimensions, high temperature resistance, and special materials formulated for industrial configurations.

Procurement & Engineering Standards

How Global Companies Procure & Custom-Specify R-Value

For procurement officers and architectural engineers, selecting the optimal vacuum insulation panels requires careful balance between thickness constraints, thermal targets, and physical durability. To ensure success, global procurement processes follow these technical considerations:

  • Specify Vacuum Longevity: Request thermal testing under simulated aging profiles (ASTM C1484) to verify the expected R-value after 15, 25, or 50 years of gas permeation.
  • Determine Edge Thermal Bridging: Metal foils used in panel envelopes cause edge heat loss (thermal bridging). Engineers must compute the linear thermal transmittance ($\psi$-value) to evaluate actual field-installed performance.
  • Specify Barrier Foil Chemistry: High-performance multi-layer barrier films, often combining PET, Aluminum foil, and Nylon, prevent water vapor transmission rates (WVTR) from degrading the internal vacuum.
  • Mechanical Protection: Since VIPs cannot be cut, drilled, or punctured post-evacuation, specifying integrated protective skins (such as PU foam outer shells or reinforced rubber layers) is essential for direct installation on construction sites.

Whitepaper Specification Guidelines

Always specify the "Center-of-Panel" thermal resistance ($R_{cop}$) separately from the overall system thermal resistance ($R_{system}$). Center-of-panel measurements represent the ideal vacuum physics, whereas the overall system R-value factors in edge effects and framing details. Zerothermo provides comprehensive data packages detailing both values for our full product line.

Proven Success

Engineering Case Studies & Deployments

Explore real-world projects where Zerothermo technology was deployed to solve challenging thermal performance and space limitations.

MultiMicro Technology Company Project

MultiMicro Technology Facility

Supplied advanced micro-environmental control enclosures, maintaining precise temperatures with custom fumed silica vacuum insulation panels.

MultiMicro Technology Company Case

Industrial Chamber Insulation

Custom high-temperature flexible nano-microporous thermal blankets were wrapped around precision manufacturing kilns to lower exterior casing temperatures.

Nanchong High School Thermal Isolation

Nanchong High School Campus

Supplied energy-efficient, integrated vacuum insulation wall decorative panels for exterior facades, helping the campus achieve green energy building certifications.

Vaccine Insulation Cooler Box

Vaccine Insulation Cooler Box

Designed and delivered fumed silica vacuum insulation panel systems for lightweight vaccine coolers, ensuring reliable cold-chain delivery of critical biologicals.

Expert QA

Frequently Asked Questions About Vacuum Insulation Panels

Get answers to common technical, design, and purchasing questions regarding VIP panel selection and maintenance.

Q1: What defines the lifespan of a Vacuum Insulation Panel (VIP)?
The service life of a VIP is determined by the rate of gas and water vapor transmission through the barrier envelope. Over time, atmospheric gases permeate the film, raising internal pressure from less than 1 mbar to 20-50 mbar. Our panels utilize advanced multi-layer aluminum-barrier foils and high-capacity getters, maintaining high thermal efficiency (R-value) for over 30 to 50 years under standard conditions.
Q2: Can vacuum insulation panels be modified or cut on-site?
No, VIPs cannot be cut, drilled, or modified. Any puncture destroys the vacuum state immediately, causing the thermal conductivity to rise to that of the unevacuated core material (typically increasing conductivity from 0.002 to 0.020 W/m·K). All panels must be engineered and manufactured to exact project dimensions beforehand.
Q3: What is the difference between fumed silica and fiberglass VIP cores?
Fiberglass cores offer a lower initial thermal conductivity (approx. 0.0015 W/m·K), but require a very high vacuum level (around 0.1 mbar) and are highly sensitive to moisture. Fumed silica cores have a slightly higher thermal conductivity (0.004 W/m·K), but their smaller pore structure resists degradation under higher internal pressure (up to 10 mbar), making them more durable and giving them a longer lifespan in architectural and high-humidity applications.
Q4: How do you prevent edge thermal bridging in VIP installations?
Edge thermal bridging occurs when heat travels through the high-conductivity barrier foil around the panel edges. This is mitigated by using multi-layer staggered joint configurations, integrating low-conductivity sealant strips, or combining the VIPs with a thin layer of traditional insulation (such as polyurethane) to create a composite panel.
Q5: How does high-temperature nano insulation protect against fire?
Nano-microporous insulation panels utilize a silica matrix with pore diameters smaller than the mean free path of air molecules. This structure blocks convective heat transfer and includes IR opacifiers to suppress radiative heat transfer, allowing them to withstand temperatures up to 1000°C. This makes them ideal for building elevator fire doors and high-temperature industrial barriers.
Request Technical Advice

Consult Our Vacuum Insulation Specialists

Provide your structural parameters, thermal limits, and target R-values. Our engineering team will design a customized VIP matrix solution for your project.

Contact Info

Get in touch directly with our sales and engineering departments in China.