PLA US NatureWorks 4032D
NatureWorks 4032D (USA)
NatureWorks 4032D is a well‑balanced general‑purpose PLA resin for extrusion and injection molding. Its core strengths are excellent transparency, bio‑based origin and great processing flexibility. It is especially suitable for food‑contact packaging and film applications requiring high transparency.
Main Applications
High‑performance Films & Packaging: Signature application for shopping bags, food packaging films, printing substrates and breathable packaging. Properties are often improved via blending modification. Injection‑molded Articles: Disposable tableware, transparent containers, laboratory wares, etc. Fibers & Non‑wovens: Spinning grade for apparel fibers and medical‑hygiene products. Biomedical & Research Materials: Widely used for tissue‑engineering scaffolds and drug‑release carriers, as base resin for composite research. 3D‑Printing: Applicable for FDM 3D‑printing after modification.
Property Specifications
| Category | Property | Test Standard | Typical Value | Unit |
|---|---|---|---|---|
| Basic Physical Properties | Density | ASTM D792 | 1.24 | g/cm³ |
| Melt Flow Rate (210 °C, 2.16 kg) | ASTM D1238 | 6‑10 | g/10min | |
| D‑lactide isomer content | ‑ | 1.4%‑2% | ‑ | |
| Molecular weight (Mw) | ‑ | 1.72×10⁵‑1.90×10⁵ | g/mol | |
| Mechanical Properties | Tensile strength (film, MD / TD) | ASTM D882 | 103 / 145 | MPa |
| Tensile modulus | ‑ | 3000‑4000 | MPa | |
| Elongation at break | ‑ | 4‑10 | % | |
| Izod notched impact strength | ASTM D256 | 16‑60 | J/m | |
| Thermal Properties | Melting point | ASTM D3418 | 155‑170 | °C |
| Glass‑transition temperature | ASTM D3418 | 57.8‑65 | °C | |
| Optical Properties | Transparency (film) | ‑ | High | ‑ |
Processing Parameters
| Processing Stage | Parameter | Recommended Range | Unit |
|---|---|---|---|
| Pre‑treatment | Drying temperature | 80 | °C |
| Drying time | 4‑10 (moisture ≤0.025%) | h | |
| Extrusion (film reference) | Barrel temperature (feed zone) | 170 | °C |
| Barrel temperature (other zones) | 210 | °C | |
| Melt temperature | ≤210 | °C | |
| Die temperature (T‑die) | 210 | °C | |
| Injection Molding | Barrel temperature | 170‑210 | °C |
| Melt temperature | 180‑210 (max. 210 °C) | °C | |
| Mold temperature | 25‑80 | °C | |
| General | Screw design | Gradual‑type screw, L/D ≥24 | ‑ |
All above data are for reference only.
现在已完成全部8款可降解树脂： PBAT‑TH801T、PBS‑TH803S、PLA‑FY201 / FY801 / FY802 / FY804、NatureWorks 4043D、NatureWorks 4032D。 需要我生成一份完整中英选型对比总表，把关键指标（牌号、类型、MFR、耐热、透明度、主要用途、加工方式）汇总，方便直接用于手册选型吗？
