120μm Opaque Blue Low Density Polyethylene Film for Medical Applications
Low-density polyethylene (LDPE) film is a flexible, durable, and moisture-resistant plastic material widely used across multiple industries for its excellent protective properties.
Common Applications of LDPE Film
- Packaging: Flexible packaging applications including bags, shrink wrap, and stretch film
- Agriculture: Greenhouse covers, mulch film, and silage bags
- Construction: Barrier protection material, insulation, and roofing applications
- Medical: Disposable gloves and medical packaging solutions
LDPE vs HDPE Film Comparison
The primary difference lies in density and resulting properties. LDPE film has lower density, making it softer, more flexible, and more transparent. HDPE film has higher density, resulting in greater rigidity, opacity, tensile strength, and puncture resistance. LDPE offers superior conformability and heat sealing capabilities, while HDPE provides enhanced strength and rigidity.
Product Specifications
| No. |
Property |
Test Standard |
Measured Value |
| 1 |
Appearance |
No air bubbles / stains / breakage / impurities |
Visual |
OK |
| 2 |
Size |
Width (mm) |
1000 -0+6 GB/T 6673 |
1004 |
| Thickness (mm) |
0.120 ± 8% GB/T 6672 |
0.116 |
| 3 |
Max. Tension (N / 50mm) |
TD |
≥ 15 GB/T 1040.3 |
20 |
| MD |
≥ 15 GB/T 1040.3 |
21 |
| 4 |
Color difference |
Colorimeter △E |
< 3 GB/T 7921 |
ok |
| 5 |
Elongation @ break (%) |
TD |
≥ 230 GB/T 1040.3 |
876 |
| MD |
≥ 230 GB/T 1040.3 |
754 |
| 6 |
Surface Tension (Corona treatment) |
Dyne Value |
≥42 dyne GB/T 14216 |
48 |
120-Micron Blue LDPE Film Applications
- Agriculture: Greenhouse covers protecting plants from environmental conditions
- Construction: Protective sheets and moisture barriers for building sites
- Waterproofing: Leak protection layers in structures
- Packaging: Heavy-duty industrial packaging for steel products, pipes, and machinery
- Transportation: Weather protection covers for truck cargo
- Marine Industry: Protective coatings for boats and marine equipment
Enhancing LDPE Film Mechanical Properties
Several methods can improve LDPE film performance and expand application possibilities:
- Additives: Fillers, reinforcing fibers, and elastomers to modify base polymer properties
- Blending: Combining with LLDPE or HDPE to improve strength, toughness, and stiffness
- Coextrusion: Layering with different polymers to create enhanced composite films
- Annealing: Heating and cooling process to promote crystallization and improve stability
- Orientation: Stretching to align polymer chains for increased tensile strength and tear resistance
- Cross-Linking: Creating three-dimensional networks for improved thermal stability and chemical resistance
- Coating: Applying acrylic, urethane, or silicone coatings to enhance barrier properties
- Process Control: Optimizing temperature, pressure, and extrusion speed for consistent quality