- GRADE: 522FC
- Bead Size: 0.3 – 0.5 mm
- Pentane Content: 5.2% wt%
- K-Value: 55
- Expanded Density: 36 kg/m3
- Packaging: 55*25 Kg shrink-wrapped wooden pallets
- HS Code: 39031190
- PRODUCER: Tabriz Petrochemical Company
EPS 522FC
Category: EPS
Description
FC522 represents an advanced technical-grade expandable polystyrene (EPS) formulation engineered specifically for fast-cycling production environments and applications requiring superior water resistance properties. This specialized polymer system incorporates pentane as the primary expansion agent within spherical polystyrene beads of ultra-fine diameter (0.3-0.5 mm). The material exhibits exceptional molecular characteristics enabling the achievement of controlled low-density foam structures without compromising structural integrity or introducing processing defects such as agglomeration during the pre-expansion phase. It should be noted that this specialized formulation is non-fire retardant and consequently not appropriate for building applications where flame resistance is mandated by regulatory requirements.
221HS is a high-strength, free-flowing expandable polystyrene (EPS) grade. It is made of spherical polystyrene beads containing pentane as the expansion agent. 221HS is designed for expansion to achieve low densities, formulated to produce low-density foam without lumps during pre-expansion. It is produced through the suspension polymerization method. 221HS is not fire retardant and is therefore not suitable for building applications requiring flame resistance.
- Ultra-Fine Bead Structure: >90% of material within 0.3-0.5 mm diameter range, enabling exceptional surface detail reproduction and thin-wall molding capabilities
- Advanced Processing Characteristics: Specially formulated for fast-cycling production environments, reducing cycle times and enhancing manufacturing efficiency
- Superior Water Resistance Properties: Enhanced hydrophobicity provides protection against moisture intrusion in demanding environmental conditions
- Optimized Expansion Parameters: Achieves uniform low-density foam structures without agglomeration defects during pre-expansion
- Controlled Density Range: Typical expanded density of 22-30 kg/m³, with capability for lower densities through secondary expansion or optimized processing
- Antistatic Treatment: Integrated electrostatic discharge protection to prevent charge accumulation during material handling and transportation
- Technical K-Value: Engineered molecular performance parameters to ensure consistent expansion characteristics
- High-Precision Shape Molding
- Ultra-thin wall applications (<6 mm thickness)
- High-definition surface finish requirements
- Complex geometric configurations
- Precision-tolerance components
- High-Density Block Production
- Controlled density structural elements
- Precision-cut component substrates
- High-strength technical applications
- Specialized Packaging Systems
- Superior mold filling characteristics
- Enhanced mechanical strength requirements
- Critical component protection applications
- Precision-fit packaging solutions
- Enhanced Surface Aesthetics: Ultra-fine bead structure enables superior surface finish quality in molded components
- Manufacturing Process Optimization: Fast-cycling formulation reduces production time and energy consumption
- Thin-Wall Application Capability: Enables production of components with wall thickness below 6 mm while maintaining structural integrity
- Superior Moisture Protection: Advanced water resistance properties extend product performance in humidity-variable environments
- Processing Flexibility: Accommodates standard industrial molding equipment with wide parameter windows
- Mechanical Performance Enhancement: Delivers improved strength-to-weight ratio in finished components
- Efficient Material Utilization: Optimized expansion characteristics reduce material consumption while maintaining performance specifications
- Precision Molding Specialists: Manufacturers requiring ultra-fine surface detail and thin-wall capabilities
- Technical Packaging Engineers: Developers of high-performance protective packaging systems
- Industrial Component Manufacturers: Producers of precision-fit EPS components for technical applications
- Processing Technology Specialists: Production engineers focused on cycle time optimization
- Product Development Teams: R&D departments working on lightweight, high-strength applications
- Pre-expansion Protocol: Achievable density of approximately 25 kg/m³ in state-of-the-art discontinuous pre-expanders
- Density Optimization: Lower density values attainable through double pre-expansion methodology or equipment optimization
- Intermediate Conditioning Period: 10-48 hours recommended for optimal processing stability
- Molding Compatibility: Processable in standard industry molding systems with adaptable steam parameter configurations
- Regenerative Material Integration: Requires careful density matching between regenerative agent and expanded material to prevent segregation during production
FC522 is supplied in a standardized containment system:
Industrial Octabin Configuration
- 1000 kg net material content
- Container dimensions: 115 cm × 115 cm × 176 cm (height)
- Mounted on standardized wooden pallets (115 cm × 115 cm)
- Non-weatherproof construction requiring indoor storage
| Property | Unit | Test Method | Typical Value |
| Expanded Density | kg/m³ | SUNPOR 7.2.6 | 22-30 |
| Bead Size (>90% by wt) | mm | SUNPOR 7.2.5 | 0.3-0.5 |
| K-Value | – | SUNPOR 7.2.4 | 55 |
| Pentane Content | wt% | SUNPOR 7.2.2 | 5.2% |
| Residual Monomer | ppm | SUNPOR 7.2.1 | 500 |
Additional information
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