Overview
Low-Density Foam Sheet is an expanded polymer material characterized by a high gas-to-solid ratio, resulting in a lightweight, closed-cell structure.
Product Specifications
|
Specification |
Data |
|
Thickness Range |
0.5–10 mm (±0.05 mm) |
|
Roll Width |
Up to 2,000 mm |
|
Slitting Width |
Minimum 50 mm |
|
Density Options |
18 / 25 / 35 kg/m³ |
|
Cutting Accuracy |
CNC die/kiss-cut ±1.0 mm |
|
Supply Forms |
Rolls up to 1,000 m / palletized sheets |
|
Surface Types |
Smooth / adhesive / LDPE laminated |
|
Material Base |
100% virgin LDPE (PIR ≤30% optional) |
|
Traceability |
QR batch tracking + CoA per shipment |
|
Compliance Controls |
No heavy metals, zero ODP formulation |
Target Applications
Automotive Protection: Surface protection for painted automotive exterior panels and instrument clusters against micro-abrasions during transoceanic transit.
Glass Interleaving: Interleaving layers for stacked float glass to eliminate friction-induced scuffing during flatbed or container transport.
Electronics Cushioning: ESD-safe cushioning inside electronics tote boxes using permanent anti-static formulations to protect sensitive components.
Medical Packaging Fit: Form-fitting isolation for medical instruments inside rigid thermoformed trays to restrict component shifting.
Quality Testing
- 8 continuous twin-screw extrusion lines running 24/7 deliver a reliable monthly capacity of 550 metric tons.
- All production runs strictly adhere to ISO 9001:2015 quality management systems with full traceability.
- Automated optical inspection systems scan 100% of the web to detect and flag surface voids exceeding 1.0mm.
- Destructive tensile strength and density testing are performed on every production batch according to standard AQL parameters.
- Retention samples and QC testing logs are archived for 36 months to ensure immediate availability of Corrective Action Reports (CAR) for client audits.
Packaging & Logistics
MOQ is 1.5 Metric Tons or 50 Master Rolls for standard material profiles.
Standard loading capacity averages 4.2 metric tons per 40' HC container to maximize cube utilization.
Vacuum-compressed packaging reduces ocean freight volume by up to 40% on ISPM-15 heat-treated pallets with heavy-duty cores.
Available trade terms: FOB, CIF, and DDP, with complete export documentation (PL, CI, and BL drafts) issued within 48 hours of vessel departure.
Compliance
EU Chemical Compliance: Fully compliant with EU RoHS Directive and REACH Regulation (zero SVHC) with current GHS-compliant Safety Data Sheets (SDS).
Food Contact Compliance: Formulations meet FDA 21 CFR 177.1520 regulations for direct contact with dry and aqueous food products.
Flame & Automotive Standards: Conforms to UL 94 HF-1 and FMVSS 302 flame retardancy and burn-rate standards for automotive interior components.
Audit Compliance: Manufacturing facility undergoes annual third-party SMETA 4-Pillar social compliance audits.
FAQ
Q: How long can this foam maintain performance in outdoor or humid storage conditions?
A: Under 85% RH and 40°C conditions, the foam retains structural integrity for approximately 5–7 years without significant collapse or embrittlement.
Q: What temperature range can the material safely operate in without deformation?
A: It remains stable from -30°C to 85°C without permanent structural damage.
Q: How consistent is batch-to-batch density variation in mass production?
A: Production control keeps density variation within ±3%, verified through inline gravimetric monitoring and random batch destructive sampling.
Q: What is the expected lifespan when used in automotive transit protection applications?
A: In repeated logistics reuse scenarios, the material generally performs effectively for 30–50 transport cycles before mechanical fatigue becomes noticeable.
Q: How does the material perform compared to EVA or cross-linked PE foam in cushioning efficiency?
A: Based on dynamic cushioning tests conducted per ASTM D1596 / ISO 4651, our low-density closed-cell structure delivers a 15% to 25% lower peak deceleration (G-value) per unit weight under identical static loading (0.5 to 2.0 psi) compared to standard EVA and XLPE foams. This translates to superior energy absorption with less material thickness.
Q: Is there verified third-party laboratory testing available for compliance claims?
A: Yes, performance and compliance are typically validated through SGS or equivalent accredited labs using ISO and ASTM test methods, with reports available upon request.