PE-310 is a high-performance composite EPE foam liner featuring a premium EPE (Expanded Polyethylene) foam core laminated with PE film on both sides. This unique "sandwich" structure combines the cushioning elasticity of EPE foam with the smooth surface finish and barrier protection of PE film.
Compared to standard non-laminated or single-side laminated EPE, the double-side PE film construction offers **superior moisture resistance, a smoother surface feel ** – making it an ideal choice for sealing liners, cap liners.
Key Features Immediately
Closed-cell foam structure – non-absorbent, excellent moisture barrier
Double-side PE film lamination – smooth surface on both sides
High elasticity and strong recovery – compensate for cap & container tolerances
Good chemical resistance and moisture protection
FDA compliant – safe for direct food/ pharmaceutical contact
Recyclable material – supports sustainable packaging initiatives
Technical Specifications
Basic Parameters
|
Parameter |
Specification Range |
Notes |
|
Model |
PE-310 |
– |
|
Material Structure |
PE Film + EPE Foam + PE Film |
Double-side lamination |
|
Total Thickness |
0.6mm – 3.0mm (customizable) |
Select based on application |
|
EPE Density |
330kg/m³ – 500kg/m³ (customizable) |
Lower density for cushioning; higher for sealing strength |
|
PE Film Thickness |
30 – 70µm (each side, customizable) |
Affects seal strength and barrier performance |
|
Color |
White / Blue / Green / Custom |
White standard; colors for product identification |
|
Shape |
Circular / Square / Die-cut custom shapes |
Based on cap or container design |
|
Diameter/Size |
Customizable |
Up to 120mm+ diameter supported |
Composite Structure Diagram
|
PE Film (Top Layer) |
← Smooth surface |
|
EPE Foam (Core Layer) |
← Elastic cushioning, closed-cell |
|
Independent bubble structure |
|
|
PE Film (Bottom Layer) |
← Smooth surface |
Performance Reference Table
|
Property |
Typical Value |
Test Method / Notes |
|
Density Range |
330 – 500 kg/m³ |
Lower for cushioning; higher for sealing |
|
Compression Recovery |
≥90% (customizable) |
Key for maintaining long-term seal pressure |
|
Water Resistance |
Closed-cell, non-absorbent |
Excellent performance in 28-day water immersion |
|
Service Temperature |
-40°C – +80°C |
Suitable for cold chain to ambient storage |
|
Moisture Vapor Transmission |
Very low |
PE film provides excellent moisture barrier |
Key Applications
Cap Sealing Liners (Most Common Application)
Widely used in: Cosmetics, pharmaceuticals, food & beverage, health supplements, industrial chemicals, lubricants, and other bottled products.
How it works: The highly elastic EPE foam is compressed between the cap top and bottle rim, creating an airtight/liquid-tight seal that prevents leakage and contamination.
Custom Die-Cut Shapes
Custom die-cut into any shape – sealing gaskets, cushioning pads, etc. – based on customer-provided CAD drawings.
MOQ: Typically, 1000KG. Sample orders negotiable for new customers.
Packaging & Storage
|
Item |
Description |
|
Packaging Form |
Rolls (continuous) / Sheets (cut-to-size) / Die-cut pieces (boxed) |
|
Roll Specifications |
Width 200–300mm customizable; length varies by thickness |
|
Core |
76mm (3-inch) or 152mm (6-inch) paper core |
|
Packaging Material |
PE film wrap + carton/pallet |
|
Storage Conditions |
Keep away from direct sunlight; store in dry, ventilated environment |
|
Shelf Life |
2 years under proper storage conditions |
Why Choose Us?
20+ years of EPE foam manufacturing experience – full process control from raw material to finished product
Factory direct – no middlemen, better pricing
7×24-hour response – samples shipped within 48 hours
Free technical support – lamination solutions, mold design consulting
Low MOQ accepted – sample orders supported to reduce your trial risk
Contact Us
Email: [Lumy@wanqipk.com]
WhatsApp/WeChat: [+86 13682925588]
Free samples available for testing. Shipping at your cost.
Quick Reference Specification Sheet
|
Parameter |
Specification |
|
Product Model |
PE-310 |
|
Material |
EPE + PE Film (double-side) |
|
Total Thickness |
0.6 – 3.0 mm |
|
EPE Density |
300 – 500 kg/m³ |
|
PE Film Thickness |
30 – 70 µm |
|
Standard Colors |
White / Blue / Green |
|
Applications |
Cap liners, protective packaging, sealing gaskets |
|
Certifications |
FDA / RoHS |
|
Customization |
✔ Thickness ✔ Density ✔ Size ✔ Color ✔ Printing |
Frequently Asked Questions (FAQ)
Q1: What is the key difference between PE-310 and standard EPE liners?
A: Standard EPE liners are either single-layer foam or single-side laminated. PE-310 features double-side PE film lamination – moisture-resistant, and smooth for safe content contact.
Q2: Can this be used for food or pharmaceutical packaging?
A: Yes. The material is FDA compliant, and production processes follow strict hygiene controls.
Q3: What is the minimum order quantity (MOQ)?
A: Typical bulk order MOQ is 1000KG. We support sample orders (flexible quantity, negotiable) for customer testing.
Q4: Is there a mold fee for custom die-cut shapes?
A: A one-time mold fee applies for first-time custom shapes (depending on complexity). No mold fee for repeat orders. Standard circular sizes may qualify for mold-free production.
Q5: What is the lead time?
A: Sample orders: 3–5 business days. Bulk orders (within 1000KG): approximately 15–20 business days, depending on customization requirements.
Looking for the Right Sealing Liner for Your Packaging?
Tell us your bottle material, contents, and sealing requirements — our engineers will recommend the best solution.
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Contact Us
Tel.: +86 754 8998 1769
E-mail: lumy@wanqipk.com
Add.: One of the No.8 Fangxun Road, Jiudi, Outing Street, Longhu District, Shantou
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