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Shanghai Yunshan Plasticizing Co., Ltd., a trusted polymer specialist based in Shanghai's industrial hub, proudly presents our K4912 Impact-Modified PP Copolymer Resin. Engineered specifically for demanding industrial container applications, this advanced material delivers exceptional durability and impact resistance while maintaining excellent processability. Our formulation addresses critical challenges in container manufacturing, offering superior performance in harsh environments and extended product lifecycle.
Core Technical Advantages:
Enhanced impact strength at both room and low temperatures (-20°C)
Superior stress crack resistance for long-term chemical storage
Optimized flow characteristics for complex container geometries
Excellent stiffness-toughness balance for stacking capability
UV stabilization options for outdoor applications
Performance Specifications:
| Property | Test Method | Value |
|---|---|---|
| Melt Flow Index | ASTM D1238 | 8-12 g/10min (230°C/2.16kg) |
| Notched Impact Strength | ASTM D256 | 15 kJ/m² at 23°C |
| Flexural Modulus | ISO 178 | 1350 MPa |
| HDT @ 0.45MPa | ASTM D648 | 105°C |
Processing Recommendations:
Optimal Melt Temperature: 200-230°C
Mold Temperature Range: 40-70°C
Drying: 2-3 hours @ 80°C recommended for humid environments
Injection Pressure: 600-900 bar
This resin demonstrates exceptional performance in producing:
Chemical storage drums and intermediate bulk containers (IBCs)
Material handling totes and pallet boxes
Agricultural and industrial liquid containers
Stackable storage bins for automotive parts
Frequently Asked Questions:
Q: Is this material suitable for food contact applications?
A: Standard grade complies with indirect food contact regulations. Food-grade options available upon request.
Q: What is the maximum operating temperature for containers made with K4912?
A: Continuous use temperature up to 90°C with retention of mechanical properties.
Q: Can we use regrind material with this resin?
A: Up to 20% clean regrind is recommended without significant property degradation.
Q: Are custom color formulations possible?
A: Yes, we offer custom color matching services with thermal stability additives.
Q: What is the typical cycle time reduction compared to standard PP?
A: Users typically report 8-12% reduction due to improved flow and release characteristics.
Q: Do you provide technical support for mold design?
A: Our engineering team offers application-specific guidance for optimal part design.
Backed by Shanghai Yunshan Plasticizing's decade-long expertise in polymer engineering, our K4912 resin undergoes rigorous quality control at our Shanghai production facility. We maintain consistent batch-to-batch uniformity through advanced compounding technology and comprehensive testing protocols. Partner with us for reliable supply chain solutions and technical collaboration to enhance your container manufacturing efficiency. Contact our technical sales team today to discuss your specific application requirements and request sample materials.
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