Expanding Packaging Foam
Device-Free Foam-in-Bag Protection
Expanding packaging foam helps protect fragile products during shipping by forming a cushioning support inside the box. NCpack® offers a device-free foam-in-bag packaging solution activated inside the pouch.
What is expanding packaging foam?
Expanding packaging foam is a protective packaging material designed to expand inside a shipping box and create a cushioning support around fragile or sensitive products. It helps reduce movement inside the box and improves protection against impact, vibration and handling damage.
Unlike standard loose-fill materials or flat wrapping solutions, expanding foam can create a closer support form around irregularly shaped products. This makes it useful for glassware, ceramics, lighting products, electronics, spare parts, samples and high-value shipments.
NCpack® Packaging Foam is a device-free foam-in-bag solution. The foam is activated inside the pouch and placed into the box, without the need for a foam dispensing machine or compressor.
How does foam-in-bag packaging work?
The main goal is simple: fill the void, reduce product movement and create a protective cushioning area inside the shipping box.
Activate
The internal barrier is opened by applying pressure to the pouch.
Mix
The two components are mixed inside the pouch.
Place
The activated pouch is placed inside the shipping box.
Protect
The expanding foam forms a cushioning support around the product.
Why use expanding foam for shipping?
Shipping damage often happens when a product moves inside the box or when impact is transferred directly to fragile areas. Expanding packaging foam helps create a more stable internal packaging structure.
Expanding packaging foam vs. traditional fillers.
The right protective packaging solution depends on the product weight, fragility, shape and the available void space inside the box.
Bubble Wrap
Useful for lightweight products, but it may not fully stabilize heavy, sharp-edged or irregularly shaped items.
Loose Fill / EPS
Can fill space, but may shift during transport and may not provide a product-specific support form.
NCpack® Foam-in-Bag
Expands inside the pouch and helps create a more controlled cushioning support inside the shipping box.
Which products can be protected with NCpack®?
NCpack® expanding foam bags can be evaluated for products that need a higher level of internal box support compared to standard wrapping or loose-fill packaging.
NCpack® expanding foam bag sizes.
Different NCpack® codes are available for different product sizes, void spaces and target protection levels.
24 × 15 cm pouch · approx. 4 cm expansion
25 × 18 cm pouch · approx. 8 cm expansion
25 × 25 cm pouch · approx. 7 cm expansion
30 × 40 cm pouch · approx. 7 cm expansion
45 × 45 cm pouch · approx. 7 cm expansion
45 × 50 cm pouch · approx. 10 cm expansion
60 × 50 cm pouch · approx. 10 cm expansion
60 × 50 cm pouch · approx. 10 cm expansion
65 × 65 cm pouch · approx. 10 cm expansion
Read more about foam packaging.
Explore connected NCpack® guides about foam-in-bag and expanding packaging foam technologies.
Frequently asked questions.
Key questions about expanding packaging foam and NCpack® device-free foam-in-bag packaging.
What is expanding packaging foam?
What is foam-in-bag packaging?
Does NCpack® require a foam machine?
Which products can be protected with expanding packaging foam?
Can I request NCpack® samples?
Does the foam touch the product directly?
Evaluate NCpack® for your fragile product shipments.
Share your product size, box size, weight and target protection level. We can suggest suitable NCpack® foam bag codes and sample options.
