LDPE Daqing Petrochemical 18D
LDPE Daqing Petrochemical 18D Resin
Material Introduction: LDPE Daqing Petrochemical 18D is low‑density polyethylene mainly used for blown‑film production. Core characteristics include favorable flexibility, excellent low‑temperature resistance (brittle temperature ‑70 ℃) and high elongation at break up to 600%.
Main Applications
Agricultural films: agricultural film, mulch film.
Packaging films: general‑purpose packaging film. Main processing methods: blow molding for agricultural film and ground‑cover mulch film.
Performance Parameters
| Performance Category | Test Item | Data / Unit | Reference Test Condition |
|---|---|---|---|
| Basic Properties | Density | 0.919 g/cm³ | ‑ |
| Melt Flow Rate (MFR) | 1.5 g/10min | 190°C / 2.16kg | |
| Mechanical Properties | Tensile Strength | 9 MPa (N/mm²) | ‑ |
| Elongation at Break | 600 % | ‑ | |
| Breaking Strength | 12 N/mm² | ‑ | |
| Impact Strength | 120 g | ‑ | |
| Environmental Stress‑Cracking Resistance | 3 h | ‑ | |
| Optical Properties | Haze | 14 % | ‑ |
| Fish‑eye Count | 30 pcs/1200cm² | ‑ | |
| Electrical Properties | Dielectric Strength | 40 KV/mm | ‑ |
| Dielectric Constant | 2.4 | ‑ | |
| Dielectric Loss Tangent | 0.3 KHz | ‑ | |
| Thermal Properties | Brittle Temperature | ‑70 ℃ | ‑ |
Blown‑Film Processing
For mainstream extrusion blow‑film process, temperature, pressure and other parameters shall be adjusted and optimized according to equipment, film thickness and performance requirements. General blown‑film temperature range for LDPE: 150‑210 ℃。
Disclaimer: All above data is for reference only.
