MDPE 38504 UV is a UV-stabilized medium density polyethylene (MDPE) grade characterized by its linear structure and narrow molecular weight distribution. It is engineered specifically for rotational molding and some injection molding applications such as technical parts and closures.
 
Product Description
Type: Medium Density Polyethylene (MDPE)
Features: This MDPE grade offers good impact strength, excellent surface finishes both externally and internally, and is enhanced with UV stabilization to withstand environmental stress and prolong product life.
 
Main Applications
Rotational Molding: Ideal for creating large, hollow products such as tanks, bins, and recreational items that require uniform wall thickness and complex shapes.
Injection Molding: Suitable for producing detailed and precise items like technical parts and closures that benefit from the resin's good dimensional stability and fine surface quality.
 
Features & Benefits
Good Impact Strength: Ensures durability and resistance to mechanical stress and impact.
Excellent Surface Finish: Provides products with a high-quality appearance, essential for consumer-facing applications.
UV Stabilization: Protects the polymer from ultraviolet light degradation, enhancing longevity and performance in outdoor applications.
 
Physical & Mechanical Properties
Melt Index: 4 ± 1 g/10 min (ASTM D1238), indicating moderate flow characteristics suitable for molding processes.
Density: 0.938 ± 0.002 g/ml (ASTM D1505), contributing to its strength and stiffness.
Flexural Modulus: 650 MPa (ASTM D790), demonstrating significant rigidity.
Tensile Strength at Yield: 15 MPa (ASTM D638), showcasing the material's load-bearing capacity.
Elongation at Break: 800% (ASTM D638), highlighting its high flexibility and ductility.
Charpy Unnotched Impact Strength: 25 Kj/m² (ASTM D256), showing excellent toughness.
Vicat Softening Temperature: 115°C (ASTM D1525), indicating good heat resistance.
Melting Temperature: 128°C, suitable for various thermal environments.
Durometer Hardness: Shore D 60 (ASTM D2240), reflecting its surface hardness.
 
Environmental and Safety Considerations
UV Protection: Ensures performance stability and material integrity under prolonged sun exposure.
Recyclability: Supports environmental sustainability through its potential for recycling, consistent with eco-friendly disposal practices.
 
Processing and Handling
Optimal Processing Techniques: Best processed through rotational or injection molding. Adjustments in mold and barrel temperatures may be required based on specific application needs.
Safety Measures: As with all thermoplastics, handling at high temperatures requires appropriate safety gear to prevent burns and ensure safe operation.
 
Packaging and Storage
Packaging: Typically supplied in pellet form, allowing for straightforward handling and storage.
Storage Recommendations: Store in a cool, dry place away from direct sunlight to maintain the material's properties and ensure optimal performance.
 
Summary
MDPE 38504 UV from Jam Petrochemical Company stands out for its robust performance in molding applications, especially where UV resistance and material longevity are critical. Its comprehensive set of mechanical and physical properties makes it a versatile choice for manufacturers seeking reliable and high-quality MDPE for diverse industrial applications.