PMMA Wanhua ACRYPLAS® HD01
PMMA Wanhua ACRYPLAS® HD01
PMMA Wanhua HD01 is optical‑grade polymethyl methacrylate resin. It features high transparency, excellent thermal stability, good weather resistance and favorable processability for multi‑domain applications.
Main Applications
Automotive lighting: taillight lenses especially through‑type taillights; custom color‑modified grades for vehicle lamp systems.
Optical display: satisfies comprehensive requirements for flowability, special light‑effect, high transmittance and heat resistance in optical‑display industry.
Other fields requiring high transparency and weather resistance: outdoor signs, light‑fixture diffusion panels.
Properties
表格
| Property Category | Item | Test Standard | Value / Typical | Unit | Remark |
|---|---|---|---|---|---|
| Physical | Density | ISO 1183 | ~1.19 | g/cm³ | |
| Water absorption (24 h) | ISO 62 | ~0.3 | % | ||
| MFR (230℃/3.8 kg) | ISO 1133 | 7 | g/10min | Medium‑flow optical grade | |
| Molding shrinkage | ISO 294‑4 | 0.2‑0.6 | % | Typical PMMA range | |
| Optical | Light transmittance (3 mm) | ISO 13468‑1/‑2 | ≥92 | % | High transparency |
| Haze (3 mm) | ISO 14782 | ≤0.3 | % | Excellent optical uniformity | |
| Refractive index | ISO 489 | ~1.49 | — | ||
| Mechanical | Tensile strength | ISO 527‑2 | 74 | MPa | High rigidity |
| Flexural strength | ISO 178 | 116 | MPa | ||
| Charpy notched impact (23℃) | ISO 179/1eA | 2.0 | kJ/m² | Medium notch toughness | |
| Thermal | HDT (1.8 MPa) | ISO 75‑2 | 97 | ℃ | Good heat‑resistance |
| Vicat B50 | ISO 306 | 105 | ℃ | ||
| Weathering | UV‑resistance | — | Excellent | — | Intrinsic performance plus optimized additive package |
| Damp‑heat aging resistance | — | Excellent | — | Suitable for long‑term outdoor exposure |
Processing Parameters
表格
| Process | Item | Recommendation | Notes |
|---|---|---|---|
| Predrying | Drying temperature | 80‑85 ℃ | Desiccant dryer required; avoid bubbles & silver streaks |
| Drying time | 2‑4 h | Target moisture＜0.1 % | |
| Injection molding | Barrel temperature | 180‑230 ℃ | Adjust according to melt condition and mold structure |
| Mold temperature | 50‑80 ℃ | Higher mold temperature improves gloss and reduces internal stress | |
| Injection pressure | Medium‑high | Optimize for full filling and good surface quality | |
| Extrusion | Extruder temperature | 180‑220 ℃ | Adjust for sheet / plate thickness |
Note: All data for reference only.
