PE Cable Material: High-Quality Polyethylene from China Suppliers and Factory – HDPE, MDPE, LDPE, LLDPE
Product Features
Product Parameters
| Name | HDPE | LDPE | LLDPE |
|---|---|---|---|
| Odor, toxicity | Non-toxic, tasteless, odorless | Non-toxic, tasteless, odorless | Non-toxic, tasteless, odorless |
| Density | 0.940~0.976g/cm3 | 0.910~0.940g/cm3 | 0.915~0.935g/cm3 |
| Crystallinity | 85%-65% | 45-65% | 55-65% |
| Molecular structure | Contains only carbon-carbon and carbon-hydrogen bonds, which require more energy to break | The polymer has a smaller molecular weight and requires less energy to break | Linear structure, fewer branch chains, short chains, require less energy to break |
| Softening point | 125-135℃ | 90-100℃ | 94-108℃ |
| Mechanical property | High strength, good toughness, strong rigidity | Poor mechanical strength | High strength, good toughness, strong rigidity |
| Tensile strength | High | Low | Higher |
| Elongation at break | Higher | Low | High |
| Impact strength | Higher | Low | High |
| Moisture-proof and water-proof performance | It has good permeability to water, water vapor and air, low water absorption and good permeability resistance | Poor moisture and air insulation | It has good permeability to water, water vapor and air, low water absorption and good permeability resistance |
| Acid, alkali, corrosion, organic solvent resistance | Resistant to strong oxidant corrosion; Resistant to acid, alkali and various salts; Insoluble in any organic solvent, etc. | Acid, alkali, salt solution corrosion resistance, but poor solvent resistance | Resistant to acid, alkali and organic solvents |
| Heat resistance/cold | Good heat and cold resistance, at room temperature and even at -40F low temperature, excellent impact resistance, low temperature embrittlement temperature < -90℃ | Low heat resistance, low temperature embrittlement temperature <-70℃ | Good heat and cold resistance Low temperature embrittlement temperature < -90℃ |
| Resistance to environmental stress cracking | Good | Better | Good |
Frequently Asked Questions
What is HDPE and what are its main advantages?
HDPE (High-Density Polyethylene) is a highly crystalline, non-polar thermoplastic resin. It offers excellent resistance to industrial chemicals, strong oxidants, and organic solvents. It also has very low moisture absorption, making it ideal for moisture and seepage protection.
How does MDPE differ in performance?
MDPE (Medium-Density Polyethylene) is specifically characterized by its outstanding environmental stress cracking resistance and long-term strength retention, with a melting temperature ranging between 126-135℃.
What makes LDPE unique among polyethylene resins?
LDPE (Low-Density Polyethylene) is the lightest variety of polyethylene resin. It is known for its excellent softness, extensibility, transparency, and cold resistance (down to -70℃), though it has lower mechanical strength compared to HDPE.
Why choose LLDPE over standard LDPE?
Compared to LDPE, LLDPE (Linear Low-Density Polyethylene) provides superior strength, better toughness, stronger rigidity, and enhanced resistance to heat and cold. It also offers excellent environmental stress cracking and tear resistance.
Can these PE plastic particles be customized?
Yes, PE plastic particles are widely used across various industries and can be fully customized to meet specific customer requirements and different application scenarios.