1. Melt Index 7-8: The Sweet Spot for Efficiency
A Melt Index (MI) of 7 to 8 g/10 min is considered optimal for injection molding. It provides enough flowability to fill complex mold cavities while maintaining essential mechanical properties.

2. Technical Comparison Table
|
Features |
HDPE MI 7-8 |
LDPE MI 7-8 |
LLDPE MI 7-8 |
|
Rigidity |
Very High |
Low (Flexible) |
Moderate |
|
Impact Strength |
Fair |
Good |
Excellent (Puncture Resistance) |
|
Shrinkage Rate |
High (1.5 - 4.0%) |
Low (1.0 - 2.0%) |
Moderate (1.5 - 3.0%) |
|
Clarity |
Opaque / Milky |
High Transparency |
Translucent |
3. Which Resin Should You Choose?
4. Advantages of High MI (7-8) Resins
5. Why Choose JM ENTERPRISE?
📞 LIÊN HỆ / CONTACT US
JM ENTERPRISE – Your Global Chemical & Plastic Solution Partner
Discover TPU midsole cushioning technology & high energy return. Learn why cold-...
Discover the applications of Pure MDI in Thermoplastic Polyurethane (TPU) manufa...
Explore the role of Pure MDI as a key Isocyanate raw material in manufacturing i...
An in-depth technical guide explaining what Pure MDI is and how to distinguish P...
Stay updated with the latest Pure MDI (Monomeric MDI) price trends in internatio...
Detailed analysis of the key factors affecting the global and Vietnamese Isocyan...
Durable PU laminating adhesive – solvent resistant, internationally certified....
Explore the complete PU foam production process from A to Z and discover how sou...
Discover whether TPU is truly eco-friendly, its recyclability, product life cycl...
How OH and oxygen content in polyol affect polyurethane performance. Learn how t...
JM Enterprise supplies high-quality MDI and TDI for PU production in Vietnam. Co...
Understand how MFI affects the production of HDPE and LDPE. Expert technical ins...
Discover why TPU is widely used in insole production. This material provides sof...
Troubleshoot PU Foam shrinkage and distortion post-demolding: Uncover closed-cel...
Waterproof foam – an effective solution for modern construction. JM ENTERPRISE s...
Cycle Time is the vital factor determining profitability. Selecting LLDPE (Linea...
In today's modern industry, PU Foam chemicals (Polyurethane Foam) have become th...
Discover whether TPU is truly eco-friendly, its recyclability, product life cycl...
© Jmentchemical. All Rights Reserved.
Designed by HTML Codex