High-Value Pharma & Biotech
The Science Behind Superior Cold Chain Protection
Vacuum Insulated Panels (VIPs): The Science Behind Superior Cold Chain Protection
ThermoSafe engineers and manufactures VIP-based thermal packaging engineered to protect temperature-sensitive products throughout every mile of the cold chain.
Vacuum Insulated panels are the most thermally efficient insulation technology available today used in temperature controlled packaging – and ThermoSafe is one of the only companies in North America that manufactures VIP-integrated packaging solutions in-house. From lab to last mile, our VIP-based shippers deliver the reliability that regulated industries demand.
What Is a Vacuum Insulated Panel?
A Vacuum Insulation Panel … or VIP… is a high-performance thermal insulation component built on the same fundamental principle as a thermos flask: eliminate the medium through which heat travels. By evacuating air from a microporous core and sealing it within a gas-tight, multi-layer barrier film, VIPs achieve thermal conductivity as low as 0.004 W/mK, a level of insulation performance that no conventional material can match at equivalent thickness.
Unlike foam or fiberglass insulation, which rely on trapping air to slow heat transfer, VIPs remove the air entirely. The result is a flat panel that insulates up to 9 times better than traditional materials of the same thickness… and up to 5 times better than the best conventional alternatives.
Inside a VIP: Materials and Construction
Every VIP is a precisely engineered assembly of two critical components: a microporous core and a high-barrier envelope film. Together, these materials create the vacuum environment responsible for VIP’s extraordinary insulating properties.
The Core
The core of a VIP is a compressed board of fumed silica… an ultra-fine, microporous powder material with pore sizes smaller than 0.5 micrometers. This sub-micron pore structure is key: it suppresses the thermal conductivity of any remaining gas even as pressure gradually increases over the panel’s service life, making silica-core VIPs exceptionally durable and stable performers.
The core is non-combustible and structurally rigid, providing both the insulating substrate and the pressure resistance needed to maintain dimensional stability once vacuum is applied.
The Barrier Film Envelope
The core is sealed under vacuum inside a multi-layer, gas-vapor-tight barrier film. This film is the product’s most critical quality element… it must prevent the ingress of both air and moisture over the panel’s full service life. ThermoSafe specifies and validates barrier film performance rigorously, selecting only high-barrier films that meet its internal standards for permeation rate and durability.
Metallized film (a microscopically thin aluminum layer within a polymer laminate) balances barrier performance with edge thermal performance, avoiding the heat bridges associated with full aluminum foil laminates.
Material Summary Table
| Component | Material | Function |
| Core | Fumed silica (microporous powder, compressed board) | Thermal insulation substrate; sub-micron pores suppress gas conduction |
| Envelope | Multi-layer metallized high-barrier film | Prevents air and moisture ingress; maintains vacuum over service life |
| Vacuum | Evacuated interior (near-zero gas pressure) | Eliminates convective and conductive heat transfer through gas |
| Edge Seal | Heat-sealed film perimeter | Maintains hermetic closure; edge area designed to minimize thermal bridging |
VIP Performance: What the Technology Delivers
The physics behind VIPs translate into real-world performance advantages that matter to cold chain professionals: thinner walls, lighter shipments, longer passive hold times, and smaller carbon footprints. Here is what VIP technology actually delivers.
| 9x Insulation Efficiency A 2 cm VIP panel delivers the same thermal resistance as 20 cm of foam or fiber insulation… enabling packaging designs that are dramatically thinner and lighter without sacrificing protection. | Extended Passive Hold Times VIP-insulated shippers maintain required temperature ranges for up to 96–120 hours without external power… critical for either domestic or intercontinental pharmaceutical shipments and last-mile healthcare delivery. | |
| Reusable & Sustainable ThermoSafe’s VIP insulated shippers are designed for multiple use cycles. Fewer single-use materials, lower per-shipment waste, and a reduced carbon footprint compared to foam-based alternatives. | Durability Over Time With proper handling, VIP panels used in ThermoSafe reusable cold chain packaging solutions maintain thermal performance for up to 4 years. After each use, an inspection protocol verifies quality. | |
| Space & Weight Savings Thinner insulation walls mean more usable interior volume per unit of outer packaging… increasing payload efficiency and reducing shipping costs, especially for high-density shipping lanes. | ||
To put the efficiency in practical context: a traditional expanded polystyrene (EPS) foam wall having 5 inches of material to achieve adequate insulation for a 96-hour pharma shipment. An equivalent VIP-insulated wall achieves the same performance in 1 inch. For air freight… where dimensional weight drives cost… this difference is measurable in direct shipping cost savings per lane.
Where VIP Technology Is Applied
Vacuum insulation panels are specified wherever precise temperature control is required but space or weight constraints make conventional insulation impractical. For ThermoSafe customers, this means VIPs show up across the most demanding segments of the temperature-controlled supply chain.
Pharmaceutical Cold Chain
For pharmaceutical manufacturers and supply chain partners, VIP shippers provide the high-performance thermal protection required for temperature-sensitive medicines moving through validated distribution networks. From vaccines and specialty pharmaceuticals to high-value biologics, ThermoSafe VIP-insulated thermal packaging helps reduce temperature excursion risk, extend passive hold times, improve payload efficiency, and support regulated 2–8°C, frozen, or controlled-room-temperature shipping from manufacturing site to pharmacy, clinic, or patient.
High-Value Biotech
For biotech companies, VIP temperature controlled packaging plays a critical role in protecting irreplaceable biological samples, cell and gene therapies, and other high-value temperature-sensitive materials. These shipments often involve limited-volume payloads, complex handling requirements, and little room for loss or deviation. ThermoSafe VIP-insulated shippers help maintain precise temperature control, reduce excursion risk, and protect product integrity across specialized lanes where reliability is essential.
Clinical & Diagnostic Specimens
Diagnostic labs and biorepositories rely on VIP-based containers to maintain integrity of temperature-sensitive specimens during transit. Sub-zero and controlled-rate frozen shipments benefit from the extended hold times VIP technology enables, reducing the risk of specimen compromise from delays or deviations.
Manufactured by ThermoSafe: End-to-End VIP Expertise
Most thermal packaging companies source VIP panels from third-party component suppliers. ThermoSafe is different. As a manufacturer of VIP-integrated packaging solutions, ThermoSafe controls the full value chain … from panel specification and validation through shipper design, qualification testing, and production … ensuring performance standards are not just claimed, but built in.
Manufacturing Capabilities
| In-House Integration ThermoSafe engineers VIP panels directly into its packaging systems. With many sizes available, our engineering team ensures panel specifications and thermal models are co-developed for optimized performance… not assembled from off-the-shelf components. | Qualification & Validation Support ThermoSafe cold chain packaging solutions are designed to support regulatory compliance in pharmaceutical cold chain, including ISTA, ASTM, and lane-specific qualification testing. Our teams provide data packages to support customer validation documentation. | |
| Custom Engineering ThermoSafe’s engineering team works directly with customers to develop VIP-based packaging solutions for non-standard payloads, unusual shipping lane profiles, or unique temperature profiles outside the range of standard catalog offerings. | Quality Assurance & Traceability Every VIP-integrated shipper undergoes performance verification before shipment. ThermoSafe’s quality systems provide traceability from raw material to finished product… critical for pharmaceutical supply chain qualification audits. | |
How ThermoSafe’s VIP Solutions Meet Your Cold Chain Requirements
Whether you’re protecting a multi-million dollar biologic shipment, running clinical trial or launching a biotech product, ThermoSafe has a pathway to the right VIP solution. Our approach is built on three pillars: proven catalog products for established applications, engineered solutions for complex requirements, and collaborative partnerships for strategic programs.
ThermoSafe High-Performance VIP Insulated Shippers
When temperature excursions are not an option, ThermoSafe VIP shippers deliver superior thermal protection for high-value pharmaceutical and biotech products. Precision-fit VIP panels and a durable outer film provide greater thermal performance than conventional EPS foam systems, supporting extended shipping durations and global distribution.
Without the need for an EPS outer shell, VIP shippers are smaller, lighter, and require less refrigerant – helping reduce freight costs while protecting sensitive therapies. Available in various payload sizes, ThermoSafe VIP shippers help customers reduce risk and maintain product integrity throughout the cold chain.
VIP Panels: Any Size for Your Supply Chain
ThermoSafe offers Vacuum Insulated Panels (VIPs) in a variety of sizes and configurations, allowing packaging solutions to be tailored to specific payloads, transit times, and lane conditions. This flexibility helps pharmaceutical and biotech companies achieve the thermal performance required for critical shipments while optimizing package size, refrigerant use, and shipping efficiency. With domestic VIP manufacturing and supply, ThermoSafe provides customers with greater control, faster response times, and a reliable source of high-performance insulation when it matters most.
Simplify Cold Chain Shipping with Certis®
Certis® is ThermoSafe’s family of pre-qualified parcel shippers designed to make temperature-controlled shipping simpler, more consistent, and more efficient. The advantage of the Certis® line is that you can choose from 2 Day, 3 Day or 5 Day duration and each shipper has the same packout for refrigerated, CRT and frozen, reducing stockholding and driving simplicity into your business.
For extended-duration applications, Certis 5-Day incorporates high-performance VIP insulation to deliver enhanced thermal protection for critical pharmaceutical and biotech shipments. With a range of payload sizes and proven performance across global shipping lanes, Certis helps customers reduce risk, streamline operations, and protect valuable products with confidence.