Stop wasting space with bulky PU foam. Learn how our 20mm fumed silica VIP panels achieve 0.0025 W/m·K conductivity. Real factory prices, durability data from 8-year-old projects, and global shipping info.
At Hebei Woqin (InsulateWool), we’ve been shipping VIP/STP panels since 2017. If you are looking for ultra-thin insulation for reefers, vaccine boxes, or cold rooms, this guide provides real-world performance data and 2025 factory pricing.
1. VIP/STP Technical Specifications
We focus on Fumed Silica and Fly-ash cores, having moved away from glass-fiber in 2020 due to durability issues.
Core Material: 95% Pressed Fumed Silica.
Barrier Film: 7-9 Layer PET/AL/PA with nano-coating.
Service Life: 15+ years with gas leakage <0.05 mbar/year.
2. 2025 Factory Price List (FOB Tianjin)
Min. order 500 m². Prices vary based on core material choice.
3. Real Project Case Studies (Last 12 Months)
A. Vaccine Cold Boxes (Pharma)
Solution: 25mm VIP + 5mm PCM.
Result: Maintained -70°C for 168 hours without power. Weight reduced by 42% compared to PU insulation.
B. Reefer Truck Walls (Logistics)
Solution: 20mm VIP + 10mm Aerogel Blanket combo.
Result: 18% diesel savings on AC; temperature swings stabilized within ±0.8°C.
C. Seafood Cold Room (Storage)
Solution: 30mm VIP panels on walls/ceilings.
Result: Payback period under 3 years due to massive energy savings in a 2,000 m² room.
4. Important: The "No-Cutting" Rule
VIP panels work because of the vacuum. Never cut panels on-site. We provide a professional CAD-cut service to ensure exact fit with 10mm overlap flaps, ensuring zero "dead zones" in your insulation layer.
Get a Free Sample: We provide 1-2 m² samples worldwide. You only cover the DHL freight (approx. USD 150-250).
Contact Ruibin An at Hebei Woqin for a customized quote in 10 minutes.