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?
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