Vacu-Slim is a revolutionary leap in super insulation technology, designed for industries where every millimeter matters. Co-engineered with our Fujian manufacturing base, this ultra-thin Vacuum Insulation Panel pushes the physical limits of thermal resistance, achieving an initial thermal conductivity of ≤ 3.0 mW/(m·K) in an astonishing 1mm to 5mm profile.
Beyond its extreme thermal performance, Vacu-Slim is engineered for absolute safety. It features a specialized dielectric barrier capable of withstanding 3800V DC, making it the ultimate space-saving thermal armor for New Energy Vehicles (NEVs), premium home appliances, and advanced electronics.
Description
As the Authorized Global Engineering & Export Division for our world-class Fujian manufacturing base, H
ebei Woqin is proud to introduce Vacu-Slim .
Traditional insulation foams require massive thickness to achieve noticeable thermal resistance. Vacu-Slim shatters this limitation. Using a proprietary customized barrier film, specialized core materials, and high-vacuum technology, we provide unmatched insulation performance using a fraction of the space.
Extreme Space Optimization (1-5mm): Vacu-Slim allows design engineers to reclaim up to 80% of the space previously wasted on thick PU foams or aerogels, allowing for larger battery cells or greater internal refrigerator volumes.
Electrical Safety for High-Voltage: Specifically designed with electronic applications in mind, the panel withstands 3800V DC with a leakage current of <1mA, providing dual protection (Thermal + Electrical Insulation).
Severe Environment Durability: Engineered to survive brutal conditions. It maintains its exceptional ≤ 3.0 mW/(m·K) thermal conductivity even after 1000 hours of Double 85 testing (85°C, 85% RH) and easily passes 240-hour copper acetate salt spray tests.
3x Winter Endurance (EV Application): In -20°C testing scenarios, standard foams lose heat in 3.5 hours. Vacu-Slim retains battery operating temperatures for over 10 hours, drastically improving cold-weather mileage.
| Technical Parameter | Specification / Test Result |
| Thickness Range | 1 mm ~ 5 mm |
| Dimensions | 100×100 mm to 600×1000 mm |
| Initial Thermal Conductivity (25°C) | ≤ 3.0 mW/(m·K) |
| Thermal Conductivity (After 1000h @ 85°C/85%RH) | ≤ 3.0 mW/(m·K) |
| Dielectric Withstand Voltage | 3800V DC (Leakage < 1mA) |
| Insulation Resistance | 500 MΩ (at 5000V) |
| Applicable Temperature Range | -40°C to +90°C |
| Density Range | 400 ~ 550 kg/m³ |
While highly effective for EV battery packs, Vacu-Slim's unique "ultra-thin + electrical insulation" properties make it highly sought after across multiple high-tech sectors:
New Energy Vehicles (NEV) & Energy Storage (ESS): Applied directly to the exterior covers and bottom aluminum trays of battery packs, acting as a thermal envelope to prevent cold-weather power loss without increasing the vehicle's footprint.
Premium Home Appliances: Slimming the outer walls of high-end refrigerators, freezers, and wine coolers to significantly increase internal storage capacity without sacrificing energy ratings.
Medical & Portable Cold Chain: Ideal for lightweight, portable vaccine carriers and organ transport boxes where external dimensions must be minimized.
Consumer Electronics & IT: Heat shielding for military-grade laptops, outdoor 5G telecom base stations, and highly compact server racks.
Devices and battery casings come in complex geometric shapes. Standard rectangular panels do not work. Hebei Woqin offers 100% bespoke CNC die-cutting. We pre-cut the Vacu-Slim panels to your exact CAD specifications—including holes, notches, and curved profiles—and re-seal the edges at our factory, ensuring a perfect "plug-and-play" external fit on your assembly line.
Q: Can a 2mm Vacu-Slim panel really outperform 20mm of traditional foam?
A: Yes. Because Vacu-Slim utilizes a high-vacuum environment combined with nanoporous cores, its thermal conductivity is roughly 10 times lower than traditional polyurethane (PU) foam. This allows you to reduce insulation thickness by up to 90% while maintaining the exact same R-value.
Q: Can I bend or cut the Vacu-Slim panels myself?
A: No. Like all Vacuum Insulation Panels, bending or puncturing the outer barrier film will destroy the internal vacuum, converting it back to a standard insulation material. You must provide us with your exact design drawings, and we will custom-manufacture the precise shapes you need.
Q: What happens if the operating temperature exceeds 90°C?
A: Vacu-Slim is designed for a continuous operating range of -40°C to 90°C. Exposing the panel to temperatures above 100°C for extended periods will melt the proprietary high-barrier plastic film and compromise the vacuum seal. If your application exceeds 90°C, we recommend our [Aerogel Blanket Solutions].
Q: Are these safe to place directly next to battery cells?
A: Absolutely. Vacu-Slim acts as a thermal and electrical armor. It has passed strict 3800V DC withstand pressure tests, ensuring that in the event of a cell short-circuit, the insulation panel will not conduct electricity or exacerbate the failure.
Ready to Achieve Zero-Energy Standards?
Let our engineers upgrade your thermal envelope. Submit your CAD drawings or project requirements today for a free thermal analysis and custom CNC quote!
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