Poly Woven Dunnage Air Bags AAR Certified Level 1 40″ x 80″ for Shipping Containers

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JahooPak PP woven dunnage air bag is premium heavy‑duty void‑filling product for shipping‑container, truck and rail‑wagon cargo securing, manufactured on four sets of self‑developed full‑automatic assembly‑lines with twelve senior technical‑engineers on‑site for quality supervision.

Outer layer is high‑strength grid‑structured PP woven fabric with outstanding anti‑scratch and puncture‑resistant capacity, defending against sharp metal‑part edges that would rupture ordinary kraft‑paper dunnage bags. Inner sealing layer is high‑performance PA & PE composite film featuring ultra‑low air‑permeability, holding stable working‑pressure during weeks‑long overseas transit.

This woven dunnage bag supports full AAR‑grade series: L0‑L1 for light‑load lateral gap filling; L2‑L3 for medium‑heavy‑weight goods; L4 for ultra‑heavy longitudinal container bracing with maximum burst‑pressure 2.0 Bar /30 Psi for heavy‑rail‑freight payloads up to 205 000 lbs. We maintain rich standard‑size inventory from 500×1000 mm up to 1200×2400 mm; any special width‑length dimension can be tailor‑made according to client’s actual container‑inner‑space measurement.

Two valve‑options meet varied‑productivity‑requirements: economical 10 mm traditional valve for small‑scale‑warehouse usage; 30 mm ProAir fast‑inflation valve for mass‑loading‑sites, compatible with dedicated pneumatic inflating‑guns and BLDC‑motor lithium‑battery powered portable inflator‑machines for remarkable efficiency‑improvement. Bulk‑order customers enjoy single‑/multi‑color custom‑printing service: trademarks, safety‑operation pictograms and traceable production batch‑numbers can be printed on woven‑cloth exterior.

All finished‑goods pass four‑tier strict‑QC workflow before delivery, with formal 3‑year quality‑guarantee. Products are certified by AAR railway‑standard, SGS material‑test and MSDS safety‑report, fully complying with international cross‑border‑logistics specifications. Monthly production‑capacity reaches 500 000 pieces, stably supplying steel‑plants, machinery‑manufacturers, freight‑forwarders and global industrial‑wholesalers. Export‑carton or full‑pallet packing protects goods well during ocean & land delivery.

How to properly inflate and deflate dunnage air bags in shipping containers?
1.Inspect the Void and Cargo：Before inflating.Measure the gap between the cargo pallets and ensure there are no sharp edges, nails, or protruding objects that could puncture the bag. Place the dunnage air bag centrally in the void.

2.Position the Bag Correctly：Height alignment.Ensure the top of the bag is level with or slightly higher than the top of the cargo. Never place the bag directly on the floor where it can touch sharp pallet corners unless a protective sheet is used.

3.Connect the Inflation Tool：Pneumatic equipment.Attach the inflator gun or air hose securely to the bag's valve system (such as a fast-fill or safe-inflator valve). Ensure your air compressor is set to the manufacturer's recommended PSI limit.

4.Inflate to the Recommended Pressure：Monitor PSI.Trigger the airflow until the bag firmly fills the void and holds the cargo in place against the container walls. Verification: Check that the bag is snug, firm to the touch, and does not bulge out of the top of the gap.

5.Open the Valve for Deflation：At destination.When the shipment reaches its destination and you are ready to unload, remove the valve cap or press the release mechanism to let the air escape rapidly.

6.Fold and Store：Post-deflation.Ensure the bag is fully deflated, gently fold or roll it up, and store it in a dry area if it is designated as a reusable grade. Verification: Confirm the bag is completely flat and devoid of trapped air before storing.