Closed Cell PE Foam with Backing Adhesive

Closed Cell PE Foam Sheet and Roll for Packaging, Cushioning and Insulation

Topsun closed cell PE foam, also known as polyethylene foam, XLPE foam or crosslinked PE foam, is a lightweight, flexible and resilient foam material designed for protective packaging, surface protection, tool box inserts, foam tapes, thermal insulation, sound insulation, vibration damping and custom die-cut foam parts.

Closed cell PE foam has low water absorption, good cushioning performance, excellent moisture resistance and stable chemical resistance. Topsun can supply PE foam sheets, rolls, blocks, strips, adhesive-backed foam, die-cut inserts and customized foam components according to customer drawings, samples or application requirements.

Closed Cell PE Foam Sheet, XLPE Foam Sheet and Roll Features

• Lightweight, soft and elastic, suitable for packaging, cushioning and protective foam applications.

• Excellent buffering, shock absorption and impact resistance performance.

• Closed-cell structure with low water absorption and excellent moisture-proof performance.

• Excellent sound insulation and heat insulation performance for industrial and construction applications.

• Good chemical stability, resistant to acids, alkalis and corrosion.

• Non-toxic, odorless, environmentally friendly and recyclable material options.

• Easy to process by cutting, slicing, die cutting, laminating, backing with adhesive and custom converting.

PE Foam Technical Specification

Closed Cell PE Foam Video

What Is Closed Cell PE Foam?

PE foam, or polyethylene foam, is a lightweight crosslinked closed-cell foam material made from polyethylene. It provides excellent cushioning, insulation and protective properties for packaging, construction, automotive, electronics, medical, sports and marine applications.

The material has a uniform and fine structure, soft touch, good elasticity, low water absorption and stable chemical resistance. It also provides shock absorption, impact resistance, sound insulation and heat insulation performance.

PE foam is resistant to acids, alkalis and corrosion. It is non-toxic, odorless and easy to process by cutting, die cutting, laminating, adhesive backing and other custom converting methods.

Topsun PE Foam Process Flow

Topsun can process PE foam blocks, sheets and rolls into protective foam inserts, tool box inserts, packaging liners, foam tapes, adhesive-backed foam, die-cut pads, cushioning parts and custom foam components.

Processing options include cutting, slicing, laminating, adhesive backing, die cutting, punching, engraving, molding and custom packaging. Customers can provide drawings, product dimensions, foam density, thickness and application requirements for customized production.

Benefits of Closed Cell PE Foam

Wide density range: PE foam is available in low to high densities, helping manufacturers match firmness, cushioning and load-bearing performance to different applications.

Excellent resilience: PE foam provides strong impact resistance and can return to its original shape after compression. It also offers good tear resistance and a high strength-to-weight ratio.

Thermal insulation: The closed-cell structure helps reduce heat transfer, making PE foam suitable for insulation boards, pipe insulation, cold chain packaging and floor underlayment.

Chemical resistance: PE foam resists many chemicals, oils and solvents, supporting long-term performance in industrial and commercial environments.

Moisture resistance: PE foam does not degrade easily when exposed to water. It also resists mold, mildew and moisture-related damage, making it suitable for humid or outdoor conditions.

Buoyancy: The lightweight closed-cell structure provides excellent buoyancy, making PE foam useful for marine, flotation and recreational products.

Surface protection: PE foam is non-abrasive and helps prevent scratches, dents and surface damage during handling, storage and transportation.

Lightweight and versatile: PE foam can be fabricated into custom shapes and sizes for packaging, construction, automotive, recreational and industrial applications.

Applications of Closed Cell PE Foam

Packaging: PE foam is widely used in protective packaging for electronics, appliances, medical equipment and fragile products. Its cushioning properties help absorb impact and prevent damage during shipping and handling.

Construction: PE foam is used in insulation boards, expansion joint fillers, pipe insulation and sealing applications because of its thermal insulation and moisture-resistant properties.

Automotive: PE foam is used in interior padding, gaskets, seals, vibration-control components and sound-dampening materials to improve comfort, durability and noise reduction.

Medical: PE foam is suitable for orthopedic supports, prosthetic devices, therapeutic padding and medical packaging, offering lightweight comfort and cushioning.

Sports and recreation: PE foam is used for pool noodles, flotation devices, exercise mats, protective sports equipment and recreational padding because of its resilience and buoyancy.

Electronics: Custom PE foam inserts provide shock absorption and secure protection for sensitive electronic devices, components and instruments during storage and transportation.

Marine applications: PE foam is commonly used in flotation components, buoyancy aids and other marine products because of its closed-cell structure and buoyancy.

PE Foam Tool Box Insert

PE Foam Tape

PE Foam Rolls

Specific Uses for PE Foam

PE foam can be used for packaging, surface protection, cold chain packaging, automotive parts, sports and leisure products, void fill, medical packaging, construction materials, military cases, blocking and bracing, floor underlayment, recreational products, agriculture and archery targets.

Custom Closed Cell PE Foam Sheet, Roll, Insert and Tape Options

Topsun can produce closed cell PE foam sheets, rolls, blocks, strips, tapes, adhesive-backed foam, tool box inserts, case inserts, packaging inserts, gaskets and custom die-cut foam parts. Custom options include density, hardness, thickness, sheet size, block size, color, adhesive backing, release liner, lamination, cutting shape and packaging method.

For packaging and insert projects, customers should confirm product dimensions, product weight, required protection level, foam density, thickness, cavity layout, adhesive requirement, color and estimated quantity. For insulation projects, thermal requirement, moisture exposure, installation surface and service environment should also be confirmed.

Topsun Foam Processing Capability

Topsun is a professional supplier of foam materials and custom foam products. We can provide EVA foam, PE foam, XPE foam, IXPE foam, CR foam, EPDM foam, neoprene foam, SBR foam, NBR foam and micro-cell soft PVC foam. At the same time, we have advanced processing capabilities to convert foam materials into the products you need.

1. Cutting: cut foam sheets, blocks, rolls, strips or parts according to customer size requirements.

2. Slicing: slice foam thickness according to the required specification.

3. Lamination: provide hot melt film lamination, flame lamination and pressure-sensitive adhesive lamination.

4. Laser cutting: cut foam drawings without opening molds for some customized foam shapes.

5. Die cutting: open molds according to customer design and produce foam pads, seals and inserts efficiently.

6. Compression molding: manufacture three-dimensional molded foam and foam composite parts with defined geometry and dimensional requirements.

7. Engraving: produce tool box inserts and packaging inserts according to customer requirements.

8. Silk-screen printing: print logos and patterns on the surface of foam products.

9. Adhesive backing: apply adhesive and release liner to produce foam tapes and self-adhesive foam parts.

About Topsun Foam

Topsun is a professional foam supplier with custom converting capabilities for packaging, sealing, cushioning, insulation and protective foam applications. Our foam materials can be supplied as sheets, rolls, strips, tapes, molded parts and die-cut products.

Our factory is located in Changzhou City, Jiangsu Province, about one hour by road to Shanghai Port. Topsun provides foam material selection, custom processing, sample support and OEM foam converting services for customers worldwide.

Closed Cell PE Foam FAQ

What is closed cell PE foam?

Closed cell PE foam is polyethylene foam with sealed cells that help resist water absorption and provide cushioning, impact resistance, thermal insulation and surface protection. It is commonly used for packaging, inserts, insulation and custom foam parts.

What is closed cell PE foam used for?

Closed cell PE foam is used for protective packaging, tool box inserts, case inserts, foam tapes, surface protection, cold chain packaging, automotive parts, construction insulation, medical packaging, sports products, marine flotation and custom die-cut foam parts.

Is PE foam waterproof?

Closed cell PE foam has low water absorption and excellent moisture resistance. It is suitable for many water-resistant and moisture-proof applications, but final performance depends on density, thickness, compression, exposure time and installation environment.

Can Topsun customize PE foam density and hardness?

Yes. Topsun can customize PE foam density, hardness, thickness, sheet size, block size, color, roll size, adhesive backing, lamination and die-cut shape according to customer requirements.

Can closed cell PE foam be supplied with backing adhesive?

Yes. Topsun can supply PE foam with one-side or double-side pressure-sensitive adhesive backing and release liner. It can be produced as adhesive PE foam sheets, rolls, strips, tapes and die-cut parts.

Can Topsun make custom PE foam inserts?

Yes. Topsun can cut, engrave, laminate and die cut PE foam into tool box inserts, case inserts, packaging inserts, protective liners, gaskets, pads and custom cavity foam layouts according to drawings or samples.

How do I choose the right closed cell PE foam?

To choose the right closed cell PE foam, confirm density, hardness, thickness, product weight, compression requirement, cushioning requirement, moisture exposure, sheet or roll size, adhesive backing and whether custom cutting is required.

How can I get samples of closed cell PE foam?

Send your inquiry to july@topsunfoam.com with your required density, thickness, size, color, adhesive backing requirement, application and estimated quantity. Topsun will check your requirements and reply within 24 hours.