Hangzhou Epsole Machinery Co., Ltd. is one of the most reliable manufacturers and suppliers of graphite polystyrene insulation in China. We warmly welcome you to buy high quality graphite polystyrene insulation for sale here from our factory. Good service and reasonable price are available.
Graphite Polystyrene Insulation | GPS High-Performance Building Insulation | Factory Direct
- High Energy Efficiency - Thermal conductivity as low as 0.032W/(m·K), R-value of R-4.7 to R-5 per inch
- Lightweight and Strong - Moderate density with excellent compressive strength for easy installation
- Fire and Moisture Resistant - Flame retardant additives with low water absorption for long-term stability
Graphite Polystyrene Insulation (GPS)
Graphite Polystyrene Insulation is a high-performance insulation material produced by incorporating graphite particles into the polystyrene matrix. The graphite particles reflect and absorb infrared radiation, significantly enhancing the material's thermal performance. Compared to standard EPS insulation, GPS achieves lower thermal conductivity and higher R-value at the same thickness, making it an ideal choice for building energy efficiency applications.
1. Superior Thermal Performance
The addition of graphite particles enables thermal conductivity as low as 0.032W/(m·K), with an R-value of R-4.7 to R-5 per inch. This represents approximately 20% improvement in insulation efficiency compared to standard EPS insulation. As a result, GPS insulation requires less thickness to achieve the same thermal resistance, saving valuable building space.
2. Stable Physical Properties
Our GPS insulation panels feature uniform density and consistent compressive strength, ensuring long-term dimensional stability. With low water absorption (below 2%), the material maintains its insulation performance even in humid conditions and effectively resists mold growth. The panels exhibit excellent dimensional stability under varying climate conditions.
3. Fire Safety and Environmental Sustainability
The product incorporates high-efficiency flame retardants, meeting building fire safety standards. Additionally, GPS insulation is recyclable, and its superior thermal performance contributes to reduced building operational energy consumption, supporting green building certifications such as LEED.
4. Easy Installation and Versatile Applications
The lightweight panels are easy to cut and can be quickly sized to fit on-site requirements. Suitable for various building applications including exterior wall insulation systems (EIFS), interior wall insulation, roof insulation, floor insulation, and cold storage enclosure structures. Panels can be installed using specialized adhesives and anchors for high construction efficiency.
Main Applications
- Exterior Wall Insulation Systems (EIFS): Complete insulation system with base coat, mesh, and finishing layers
- Interior Wall Insulation: Partition walls, basement wall insulation
- Roof Insulation: Flat and sloped roof insulation layers
- Floor Insulation: Underfloor heating insulation, ground floor moisture barriers
- Cold Storage and冷链 Facilities: Enclosure insulation for low-temperature environments
- Industrial Insulation: Warehouses, factories, equipment foundation insulation
Why Do Global Customers Choose Epsole Graphite Polystyrene Insulation?
1. Integrated Supply Chain Advantage
As an EPS equipment manufacturer, we simultaneously produce raw materials, insulation panels, and supporting machinery. This integrated model gives us deep insight into the compatibility between material properties and production processes, enabling us to provide comprehensive technical support covering raw material formulation, panel molding, and application guidance.
2. Stable Supply Capacity
We maintain long-term partnerships with major petrochemical enterprises, ensuring stable supply of graphite-grade EPS raw materials. With sufficient annual production capacity, we can meet the bulk supply requirements of large-scale construction projects, ensuring project timelines are not affected by material availability.
3. Strict Quality Control
Each batch of GPS insulation panels undergoes thermal conductivity testing, compressive strength testing, dimensional stability inspection, and flame retardancy validation. Third-party 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 insulation system design recommendations, installation process guidance, and on-site technical support. Our goal is to help customers achieve optimal building energy efficiency with the most economical material costs.
Comparison with Other Insulation Types
| Property | Graphite Polystyrene (GPS) | Standard EPS | XPS (Extruded Polystyrene) | Mineral Wool |
|---|---|---|---|---|
| R-Value (per inch) | R-4.7 to R-5 | R-3.6 to R-4.2 | R-5 | R-3 to R-4 |
| Moisture Resistance | Excellent | Good | Excellent | Poor |
| Fire Resistance | Good | Good | Good | Excellent |
| Weight | Lightweight | Lightweight | Lightweight | Heavy |
| Cost | Moderate | Low | High | Moderate |
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