Our low-density foam-in-place packaging material is a two-component polyurethane system that reacts with isocyanate to expand and cure in place, forming a custom shock-absorbing cushion around the packaged item. With an ultra-low free density of 8–10 kg/m³ and ≥ 90% recovery after compression, it delivers excellent shockproof and anti-vibration protection for precision instruments, electronics, optics, glassware and other fragile goods — lightweight, conformable and low-cost.
8–10
Free density kg/m³
≥ 90%
Recovery after 50% compression
10–25 s
Cream time (fast in-situ)
≥ 0.05
Compressive strength MPa
In-situ
Foam-in-place moulding
Key Features
Excellent shock absorption High elasticity absorbs impact and vibration, protecting goods from collision and crushing.
Conforms to any shape Foams in place to fit the item and box exactly, preventing movement and sliding in transit.
Ultra-lightweight Free density 8–10 kg/m³ cuts shipping weight and logistics cost versus traditional packaging.
High recovery ≥ 90% recovery after 50% compression for repeated cushioning performance.
Fast in-situ cure Cream 10–25 s, tack-free 70–90 s — efficient on the packing line.
Customizable formulation Density and reactivity tuned to your products and line. OEM/ODM supported.
Applications
Protective foam-in-place packaging for precision instruments, apparatus, medical & optical instruments, electronics, crafts, fragile goods and glassware.
Line the box Place a plastic film/liner in the carton and position the item to be protected.
2
Mix & dispense Combine the polyol with isocyanate (MDI) and dispense the liquid into the box.
3
Foam in place The foam expands around the item — cream 10–25 s, gel 50–70 s, tack-free 70–90 s.
4
Close & ship The cured cushion locks the item in place; close the box and ship with confidence.
Packaging, Storage & Handling
Packaging Polyol in 220 kg net iron drums; MDI in 250 kg drums. Palletised for export; bulk on request.
Storage Store sealed in a cool, dry, ventilated area away from moisture. Shelf-life details available on request.
Handling & Safety Avoid eye/skin contact; wear safety glasses. Wash skin with soap and water; flush eyes with water and seek medical attention. Full MSDS on request.
The Complete PU System
This packaging foam is a two-component system. For a complete, line-ready solution we also supply:
10+ years in PU raw materials Specialised blended-polyol manufacturer serving foam producers worldwide.
Custom formulation Density and reactivity tuned to your products and packing line.
Batch-consistent quality Every batch tested in-house; TDS, MSDS and COA provided with shipment.
Global export & fast reply Export to EU, Latin America, Asia and beyond — we respond within 24 hours.
From Sample to Bulk Order
1. Request a sample Tell us your products and box sizes — we send a free sample with TDS & MSDS.
2. Validate on your line Trial the system; we provide technical support and fine-tune density/reactivity.
3. Scale to bulk Confirm the formula and order in bulk with flexible MOQ and tiered lead times.
Frequently Asked Questions
What is foam-in-place packaging?A two-component PU liquid that is dispensed into the box and expands around the item, curing into a custom-fit protective cushion within seconds.
How light is the foam?Very light — free density 8–10 kg/m³, which reduces shipping weight and logistics cost.
What can it protect?Precision instruments, electronics, optical and medical instruments, crafts, glassware and other fragile or high-value goods.
Can the formulation be customized?Yes. Density and reactivity can be tuned to your products and line. OEM/ODM supported — request a TDS, MSDS and free sample; we reply within 24 hours.
Need foam-in-place packaging material?
Get a tailored quote, full TDS & MSDS, and a free sample for line validation.
✓ Custom formulation✓ TDS · MSDS · COA✓ Reply within 24 h
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