LLDPE Wanhua Chemical DFDA‑7042
LLDPE Wanhua Chemical DFDA‑7042 Resin
Material Introduction: LLDPE Wanhua Chemical DFDA‑7042 is linear low‑density polyethylene. It is odorless, tasteless and non‑toxic, featuring good toughness, puncture resistance and excellent environmental‑stress‑crack‑resistance, mainly applied in film industry.
Main Applications
Film products: packaging bags, mulch films, stretch wrap films, food packaging, container liners and so on.
Performance Parameters
| Performance Category | Test Item | Test Method / Condition | Test Data / Unit | Remarks & Interpretation |
|---|---|---|---|---|
| Basic Properties | Melt Flow Rate (MFR) | 190°C / 2.16kg | To be confirmed g/10min | Public online data unavailable, subject to official TDS. Critical parameter for processing flowability evaluation. |
| Film Appearance | Fish‑eye (0.4 mm) | ‑ | To be confirmed pcs/1520cm² | Public online data unavailable. Lower value means better film uniformity and fewer impurities. |
| Fish‑eye (0.8 mm) | ‑ | To be confirmed pcs/1520cm² | Public online data unavailable. Same as above. | |
| Optical Properties | Haze | ‑ | To be confirmed % | Public online data unavailable. Low haze represents high transparency for packaging display requirements. |
Blown‑Film Processing
‑ Barrel temperature: 130‑150 ℃ / 160‑180 ℃ (zone‑by‑zone heating) ‑ Die head temperature: 160‑170 ℃ ‑ Blow‑up ratio: 2‑4 ‑ Screw speed: 30‑50 r/min ‑ Extruder screw diameter: φ65 mm ‑ Screw L/D ratio: 28 ‑ Compression ratio: 3.5
Disclaimer: All above data is for reference only.



