Moplen HP552R is a high melt flow polypropylene homopolymer specifically tailored for fiber applications, offering excellent spinning capabilities and anti gas-fading properties. It is optimized for medium to high-speed spinning of continuous filament (CF), bulked continuous filament (BCF), and staple fibers.
 
Product Description
Type: Polypropylene homopolymer
Characteristics: HP552R is designed for fiber production, capable of handling low to high denier fibers efficiently. It is notable for its excellent processability and stability, which enhance its usability in various textile applications.
 
Key Applications
Fibers for Nonwoven Fabrics: Ideal for producing low denier staple fibers used in nonwoven fabrics for diapers, medical-sanitary products, and wipes.
High Tenacity Filaments: Used for manufacturing high tenacity continuous filaments suitable for straps in backpacks, sport bags, bulk bags, and safety belts.
Medium Tenacity Filaments: Suitable for continuous filaments used in upholstery and sportswear.
Bulked Continuous Filament: Optimized for the production of carpet fibers, where its properties enhance the durability and appearance retention of the final product.
 
Technical Specifications
Melt Flow Rate (MFR): 25 g/10 min at 230°C with a 2.16 kg load (ASTM D1238/L), indicating high processability suitable for fiber extrusion.
Flexural Modulus: 1500 MPa (ASTM D790), highlighting the stiffness and structural integrity of the material.
Notched Izod Impact Strength: 30 J/m at 23°C (ASTM D256), demonstrating good toughness.
Tensile Strength at Yield: 32 MPa (ASTM D638), showing the material's strength under tensile stress.
Elongation at Yield: 13% (ASTM D638), measuring the ductility before yielding.
Vicat Softening Point: 152°C (ASTM D1525), indicating the temperature at which the material begins to soften.
Heat Deflection Temperature (HDT): 94°C at 0.46 N/mm² (ASTM D648), relevant for applications involving heat exposure.
Rockwell Hardness: R Scale 100 (ASTM D785), reflecting the surface hardness of the polymer.
Oven Ageing: Can withstand 150 hours at 150°C (ASTM D3012), showcasing its durability under high-temperature conditions.
 
Compliance and Safety
Food Contact Safety: Moplen HP552R is suitable for food contact applications, meeting regulatory standards for safety and health.
 
Conclusion
Moplen HP552R polypropylene homopolymer is engineered for high-performance fiber production, delivering excellent mechanical properties and processability. Its suitability for a diverse range of textile applications—from everyday consumer products to technical and safety materials—makes it a valuable material for manufacturers seeking efficiency and quality in their fiber production processes.