PE cable materia
product feature
Product parameter
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 |
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