Passive Transport Box
PTB Series
The Wostock Passive Transport Box is designed for the safe and reliable cold-chain transport of vaccines, medicines, blood, plasma, organs, and other critical biological materials. With superior insulation, rugged construction, and high holdover performance, it maintains stable storage temperatures for up to 72 hours without active power. Lightweight, durable, and optionally IoT-enabled for real-time monitoring, it is the trusted solution for hospitals, immunization programs, and emergency transport applications.
Product Features
Long Cold Life: Maintains stable temperature for up to 72 hours without active power.
Versatile Use: Suitable for vaccines, medicines, blood, plasma, and organ transport.
Durable & Safe: Drop-tested, corrosion-resistant construction with lockable clasps for security.
Ease of Use: Simple PCM pack arrangement, wide lid opening, and ergonomic handles.
Lightweight: Easy to carry, even when fully loaded.
Smart Monitoring (Optional): IoT-enabled module records transport events (temperature, openings, holdover time) with mobile app connectivity.
Hygienic Design: No inaccessible corners; easy to clean and disinfect.
Technical Specifications
Parameter | Specification |
|---|---|
Gross Volume Options | 20 L to 100 L |
Net Usable Volume | 15 L to 96 L |
Cold Life (Holdover) | Up to 72 hours (depending on configuration & ambient conditions) |
Cooling Method | Passive cooling via PCM packs |
Outer Material | Epoxy-coated mild steel (MS) |
Inner Material | Stainless Steel SS-304 |
IoT Compatibility | Yes (optional module with mobile app) |
Monitoring Parameters (with IoT) | Internal temp, ambient temp, door openings, holdover duration |
Locking Mechanism | Sealable & lockable clasps |
Handles & Latches | Ergonomic, durable, designed for one- or two-person handling |
Drop Resistance | Drop-tested for rugged field transport |
Weight | Lightweight design, varies by model |
Compliance | ISO 13485:2016, CDSCO Certified |