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What is a Dunnage Bag?

A dunnage bag is an inflatable cushion made from durable, multi-layered kraft paper or woven polypropylene fabric. These bags are placed in gaps between cargo items inside shipping containers and then inflated with compressed air to create a tight, secure fit.
Key Components of Dunnage Bags:

1. Material: High-strength kraft paper or polypropylene for puncture resistance.
2. Valve System: Allows quick inflation and deflation using an air compressor.
3. Size Variations: Available in different lengths, widths, and thicknesses to fit various container sizes (20ft, 40ft, etc.).
4. Load Capacity: Designed to withstand pressure from shifting cargo.

Functions of Dunnage Bags
Dunnage bags serve several critical functions in cargo transportation:
1. Prevents Cargo Movement

• Shifting during sea transit can cause collisions, leading to product damage.
• Dunnage bags fill voids, keeping cargo tightly packed.

2. Absorbs Shock and Vibration

• Reduces the impact of waves, sudden stops, and rough handling.
• Acts as a cushion to protect fragile goods.

3. Distributes Pressure Evenly

• Prevents concentrated pressure points that could deform packaging.
• Ensures weight is spread uniformly across the container floor.

4. Reduces Labor and Material Costs

• Faster and easier to install than traditional wooden dunnage.
• Reusable and eco-friendly compared to foam or other fillers.

5. Enhances Container Stability

• Minimizes the risk of container tilting or collapsing during transit.
• Helps maintain proper weight distribution for safe transport.

Applications of Dunnage Bags
Dunnage bags are widely used in industries where cargo security is essential. Some common applications include:
1. Shipping and Logistics

• Used in sea containers, trucks, and rail freight to stabilize pallets, boxes, and machinery.
• Ideal for FCL (Full Container Load) and LCL (Less than Container Load) shipments.

2. Automotive Industry

• Secures vehicle parts, engines, and fragile components during transit.
• Prevents scratches and dents on car body panels.

3. Food and Beverage

• Keeps bottled liquids, canned goods, and packaged foods from shifting.
• Reduces the risk of leaks and breakage.

4. Construction and Heavy Machinery

• Stabilizes heavy equipment, steel beams, and pipes.
• Protects against impact damage.

5. Retail and Consumer Goods

• Used for furniture, electronics, and appliances to prevent movement.
• Ensures products arrive in perfect condition.

Who Needs to Use Dunnage Bags?
Several stakeholders in the supply chain benefit from using dunnage bags:
1. Freight Forwarders & Shipping Companies

• Ensure safe delivery of client cargo.
• Reduce insurance claims due to damaged goods.

2. Manufacturers & Exporters

• Protect finished products during long-distance shipping.
• Maintain brand reputation by delivering undamaged goods.

3. Warehouse & Logistics Providers

• Improve loading efficiency and container space utilization.
• Minimize manual labor in securing cargo.

4. Importers & Retailers

• Receive goods in optimal condition, reducing losses.
• Avoid delays caused by damaged shipments.

5. Transport Operators (Trucking & Rail)

• Prevent load shifts that could cause accidents.
• Comply with safety regulations for cargo securement.

How to Use Dunnage Bags Correctly
Proper installation ensures maximum effectiveness. Follow these steps:
Step 1: Select the Right Dunnage Bag

• Choose a bag that fits the gap size (measure the empty space between cargo).
• Check the weight capacity to ensure it can handle the load pressure.

Step 2: Position the Bag Correctly

• Place the deflated bag in the gap between cargo items.
• Ensure it is centered and not folded or twisted.

Step 3: Inflate the Dunnage Bag

• Use an air compressor (recommended pressure: 0.2–0.35 bar / 3–5 psi).
• Avoid over-inflation, which can cause bursting.
• Seal the valve tightly after inflation.

Step 4: Check for Proper Fit

• The bag should fill the space snugly without bulging excessively.
• Ensure no sharp edges or protruding objects can puncture the bag.

Step 5: Monitor During Transit

• If possible, inspect the bag at transit points.
• Deflate and remove the bag carefully upon unloading.

Common Mistakes to Avoid

1. Over-inflating: Leads to bursting under pressure.
2. Under-inflating: Fails to secure cargo properly.
3. Placing Near Sharp Edges: Increases puncture risk.
4. Using the Wrong Size: Too small = ineffective; too large = wasted space.
5. Ignoring Weight Limits: Exceeding capacity reduces effectiveness.

 

We cover most area in Klang Valley as below:

-Selangor-Alam Impian,Ampang,Ampang Botanic,Ara Damansara,Balakong,Bandar Botanic,Bandar Bukit Tinggi,Bandar Kinrara,Bandar Puteri Klang,Bandar Saujana Putra,Bandar Sunway,Bandar Sungai Long,Bandar Utama,Bangi,Banting, Batang Berjuntai,Batang kali,Batu Arang,Batu Caves,Beranang,Bukit Jelutong,Bukit Rahman Putra,Bukit Rotan ,Bukit Subang,cheras,Country Heights,Cyberjaya,Damansaraa Damai,Daman Intan,Damansara Jaya,Damansara Kim,Damansara Utama,Denai Alam ,Dengkil,Glenmarie,Gombak,Hulu Langat,Hulu Selangor,Jenjarom,Kajang,Kayu Ara,Kerling,Klang,Kota Damansara,Kota Emerland,Kota Kemuning,Kuala Langat,Kuala Selangor,Kuala Kubu Baru,Kuang,Mutiara Damansara,Nilai,Petaling Jaya,Port Klang,Puchong,Puchong South,Pulau South,,Pulau Indah,Puncak Jalil,Putra Heights,Putrajaya,Rasa,Rawang,Sabak Bernam,Saujana,Selayang,Semenyih,Sepang,Serdang,Serendah,Seri Kembangan,Setia Alam,Setia Eco Park,Sierra Mas,SS2,Subang Bestari,Subang Heights,Subang Jaya,Sungai Buloh,Sungai Pelek,Taman TTDI Jaya,Tanjong Karang,Tanjong Sepat,Teluk Panglima Garang,Tropicana,Ulu Klang,Usj,Usj Heights.

-Kuala Lumpr-Ampang Hilir,Bangsar,Brickfields,Bukit Bintang,Bukit Jalil,Bukit Ledang,Bukit Persekutuan,BukitTunku,Cheras,City Centre.Country Heights,Country Heights Damansara,Damansara,Desa Pandan,Desa Park City,Desa  Petaling,Gombak,Jalan Ipoh,Jalan Klang Lama,Jalan Kuching,Jalan Sultan Ismail,Jinjang,Kenny Hills,Kepong,Keramat,Kl City,Kl Sentral,Klcc,Kuchai Lama,Mont Kiara,Old Klang Road,Oug,Pandan Indah,Pandan Perdana,Pandan Jaya,Pantai,Pekan Batu,Salak Selatan,Segambut,Sentul,Seputeh,Serdang,Setapak,Setiawangsa,Solaris Dutamas,Sri Dutamas,Sri Hartamas,Sri Petaling,Sungai Besi,Sungai Penchala,Taman Desa,Taman Duta,Taman Melawati,Taman Tun Dr Ismail,Titiwangsa,Upm,Tpm,wangsa maju.

We also cover whole Malaysia, Johor, Penang, Melaka, Batu Berendam, Seremban, Negeri Sembilan, Malacca, Sabah, Sarawak, Kedah, Pahang, Kelatan, Terengganu, Perlis, Perak, Taiping, Ipoh, Kemaman, Skudai, Senai, Ulu Tiram, Pontian, Kulai, Johor Bharu, Masai, Nusajaya, Batu Pahat, Segamat, Muar, Seberang Prai, Pulau Pinang, Butterworth, Kuantan, Penang, Melaka, Nilai, Senawang,    

Remark:
**Free onsite measurement and advice.
**Price quoted including professional advice.

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