Expandable polystyrene granules for sale
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Expandable Polystyrene (EPS)

  • Appearance: White spherical beads
  • Particle Size Range: 0.4 – 2.5 mm (customizable)
  • Expansion Ratio: 20x – 50x
  • Bulk Density: 10 – 30 kg/m³
  • Processing Method: Steam Pre-Expansion
  • Moisture Content: < 1%
  • Available Grades: Packaging Grade, Insulation Grade, FR Grade (B1/B2)
  • Moisture Content: ≤0.1%
  • Packing:25kg/Bag,1000kg/Bag
  • Free Samples Available
  • Fast Shipping Service

Expandable Polystyrene (EPS) Manufacturer & Bulk Supplier

High-Quality EPS Raw Material for Packaging, Insulation & Construction – OEM & Wholesale Available

Expandable Polystyrene (EPS), also known as foamed polystyrene, is a thermoplastic material composed of polystyrene resin, physical blowing agents, and various additives. Through a series of processing steps including pre-expansion, aging, molding, and cutting, EPS can be transformed into lightweight foam plastic products.

Thanks to its excellent and long-lasting thermal insulation, unique shock-absorbing and cushioning properties, as well as aging resistance and water resistance, EPS has become a widely used material across multiple industries.

Key benefits of EPS include:

  • Low thermal conductivity
  • Low water absorption
  • Excellent electrical insulation
  • Soundproofing and moisture resistance
  • Simple and cost-effective molding process

Due to these characteristics, EPS is widely applied in:

  • External wall insulation for buildings
  • Sandwich panels (e.g., steel-EPS-steel composite panels)
  • Packaging for fruits, vegetables, electronics, and appliances
  • Water conservation and infrastructure projects

EPS remains a preferred choice for industries seeking lightweight, durable, and thermally efficient solutions.

What Is Expandable Polystyrene (EPS)?

Expandable Polystyrene (EPS) is a lightweight, rigid, closed-cell foam material made from polystyrene beads containing a blowing agent. When exposed to steam, the beads expand significantly, forming a durable and versatile foam structure widely used across various industries.

Our EPS products are designed for industrial use in:

  • Protective packaging
  • Building insulation
  • Lightweight concrete fillers
  • Food containers and agricultural trays

Industry Applications of Expandable Polystyrene (EPS)

 Expandable Polystyrene (EPS) is a multifunctional material known for its exceptional insulation performance, lightweight nature, and cost-effectiveness. It is widely adopted across various industries due to its versatility, ease of processing, and recyclability.

Construction & Building Insulation

EPS foam boards are a leading solution in modern construction due to their superior thermal insulation, moisture resistance, and structural strength. Our EPS is used in:

  • External Wall Insulation Systems (EWIS / EIFS)
    Reduces energy loss and enhances building thermal performance.
  • Roof and Floor Insulation
    High compressive strength EPS is ideal for insulating under concrete slabs, flat roofs, and floor heating systems.
  • Sandwich Panels & Prefab Buildings
    Lightweight EPS cores provide thermal barriers in modular structures.
  • Insulated Concrete Forms (ICF)
    EPS is molded into forms that stay in place, offering superior insulation and soundproofing.

Our Expandable Polystyrene (EPS) grades meet industry fire retardancy (B1/B2) and mechanical performance requirements, making them suitable for both residential and industrial building projects.

Protective Packaging Solutions

EPS is a top choice for packaging fragile and high-value items because of its shock absorption, cushioning, and moldability.

We provide EPS raw material to packaging manufacturers for:

  • Electronics & Appliance Packaging
    Custom-molded foam parts for TVs, laptops, home appliances, and medical devices.
  • Consumer Product Packaging
    Lightweight protection for glassware, ceramics, and cosmetic kits.
  • Transport and Cold Chain Packaging
    Thermally insulating EPS containers for perishable goods and pharmaceuticals.

Our customers can produce precision-molded EPS packaging with customizable bead sizes and expansion ratios to suit specific product protection requirements.

Food & Agriculture Applications

Expandable Polystyrene (EPS) is also extensively used in food and agricultural industries, especially where thermal insulation, moisture resistance, and hygiene are critical.

  • Food Containers & Takeout Boxes
    Our food-grade EPS supports the production of disposable lunch boxes, trays, and thermal transport containers.
  • Seedling & Nursery Trays
    EPS trays help in moisture retention and root protection, widely used in greenhouse farming.
  • Fish Boxes & Ice Boxes
    Lightweight and insulating EPS boxes maintain freshness in seafood and meat transportation.

All our food-grade EPS complies with FDA and EU food-contact regulations, ensuring safe usage in food packaging applications.

Geofoam & Civil Engineering Fillers

EPS beads serve as an efficient solution in large-scale infrastructure projects due to their lightweight and load-distribution properties.

  • Road & Railway Embankments
    EPS reduces earth pressure and settlement in soft soil areas.
  • Bridge Abutments
    Prevents lateral loading and supports structural stability.
  • Land Reclamation & Void Filling
    EPS geofoam provides fast and stable filling without adding weight.

Using Expandable Polystyrene (EPS) in geofoam applications results in faster construction, reduced material costs, and enhanced safety in civil engineering projects.

Automotive field

interior

Daily products

durable tableware

3D printing

particles & wire

Disposable tableware

knife, fork, spoon

Packaging products

packaging bags, garbage bags

Electronic products

electrical casing

Product Description

Serving Large-Scale Clients Worldwide

As a trusted manufacturer and exporter of Expandable Polystyrene (EPS) raw materials, we focus exclusively on B2B customers with large-volume demands and global procurement needs.

We supply to a broad spectrum of industries, including:

1. Building & Insulation Material Manufacturers

We provide tailored EPS formulations to producers of insulation boards, construction panels, sandwich panel cores, and architectural foam moldings.

2. Packaging Factories

EPS is delivered in consistent bulk quality to packaging plants producing shock-resistant packaging for electronics, appliances, and industrial goods.

3. Disposable Foodware & Agricultural Product Factories

We serve manufacturers producing single-use EPS food containers, egg trays, seedling trays, and thermal boxes for cold chain logistics.

4. OEM Factories & Foam Converters

EPS processors and custom foam converters use our raw materials for molding parts based on industry-specific designs.

5. Distributors & Traders

We collaborate with large-scale importers and EPS distributors seeking reliable suppliers with stable supply capacity, competitive pricing, and complete documentation.

Frequently Asked Questions (FAQs)

Q: Do you offer sample testing?
A: Yes, small sample quantities are available for testing upon request.

Q: What is your minimum order quantity (MOQ)?
A: MOQ is generally 1 ton, but flexible depending on destination and grade.

Q: Can you provide customized EPS specifications?
A: Yes, we offer customized density, particle size, and flame retardancy.

Q: Which port do you ship from?
A: We usually ship from Tianjin or Shanghai, and can arrange FOB, CIF, or DDP terms.

Q: What payment terms do you accept?
A: T/T, L/C, and other methods for long-term partners.

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