Hangzhou Epsole Machinery Co., Ltd. is one of the most reliable manufacturers and suppliers of eps raw material in China. We warmly welcome you to buy high quality eps raw material for sale here from our factory. Good service and reasonable price are available.

EPS Raw Material | Expandable Polystyrene | Factory Direct
- Uniform Particle Size - Multiple specifications from 0.2mm to 3.0mm with stable, controllable expansion ratio
- Superior Expansion Performance - Expansion ratio of 20 to 50 times with concentrated bead density distribution
- Multiple Types Available - Standard, flame retardant, high-strength, and food contact grades
High-Quality Expandable Polystyrene (EPS) Raw Material
Eps Raw Material is the core base material for EPS foam product manufacturing. These polystyrene particles contain a blowing agent (pentane) that vaporizes when heated, causing the beads to expand into lightweight foam material. Our EPS raw material is widely used in packaging, building insulation, food containers, and industrial applications.
1. Stable Raw Material Quality
Our EPS raw material undergoes strict screening to ensure concentrated particle size distribution and stable, controllable expansion ratio. After pre-expansion, the bead density is uniform, ensuring firm fusion between particles during molding and resulting in smooth surfaces and consistent strength in finished products. Based on application requirements, we offer custom products including standard, flame-retardant, high-strength, and food contact grades.
2. Multiple Specifications for Different Processes
Based on customer molding processes and end-product requirements, we offer EPS raw material in particle size ranges from 0.2mm to 3.0mm with expansion ratios from 20 to 50 times. These are suitable for multiple production scenarios including sheet molding, packaging molding, building insulation boards, and food containers.
3. Professional Storage and Safe Transportation
EPS raw material storage requires protection from high temperatures and open flames. Our warehouses are equipped with temperature control and ventilation systems, strictly adhering to safety storage standards to ensure material stability during storage. Anti-static packaging is used during transportation to avoid compression damage and static buildup risks.
4. Molding Technical Support
Leveraging over 20 years of experience in EPS equipment manufacturing, we provide not only raw materials but also comprehensive technical support covering pre-expansion parameter settings, maturation time control, and molding temperature optimization. This helps customers achieve high-quality finished products with minimal material waste.
Main Applications
- Packaging Industry: Custom cushioning packaging for electronics, precision instruments, medical devices, and other products
- Building Insulation: Exterior wall insulation boards, roof insulation layers, underfloor heating insulation, lightweight concrete forms
- Food Containers: Disposable meal boxes, cups, trays, and other food contact grade products
- Consumer Goods: Helmet liners, coolers, flotation devices, children's products
- Industrial Applications: Pipeline insulation, equipment filling, buoyancy materials
Why Do Global Customers Choose Epsole EPS Raw Material?
1. Integrated Supply Chain Advantage
As an EPS equipment manufacturer, we simultaneously supply raw materials, molds, and accessories. This integrated model gives us deeper insight into the compatibility between raw material properties and equipment processes, enabling us to provide customers with comprehensive optimization solutions from material selection to molding production.
2. Stable Supply Capacity
We maintain long-term partnerships with major petrochemical enterprises, ensuring stable EPS raw material supply and competitive pricing. Regardless of order size, we guarantee on-time delivery to meet the continuous demands of batch production.
3. Strict Quality Control
Each batch of EPS raw material undergoes particle size distribution testing, expansion ratio testing, residual pentane content analysis, and molding validation to ensure performance standards are met before shipment. Batch test reports and quality certification documents are available upon customer request.
4. Full Technical Support and After-Sales Service
Our professional technical service team provides on-site commissioning guidance, process optimization recommendations, and production troubleshooting support. Our goal is to help customers produce the highest quality finished products at the most economical raw material cost.

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