SX-304H
Low fluidity, good extrusion molding performance, heat resistance, and mechanical strength, excellent light transmittance. Suitable for products with high demolding requirements, such as injection molded light guide plates, lenses, reflectors, etc.
| Items | Test standards | Unit | Data |
Optical Properties | |||
| Refractive index | ISO 489 | - | 1.49 |
| Transmittance | ISO 13468-1 | % | 93 |
| Fuzzy Coefficient(Haze) | ISO 14782 | % | 0.3 |
Thermal properties | |||
| Coefficient of linear thermal expansion | ISO 11359-2 | 1/℃ | 7×10-5 |
| Vicat Softening temperature（VST） | ISO 306 | ℃ | 100 |
| Load heat distortion temperature 1.82Mpa | ISO 75-2 | ℃ | 94 |
| 230 ℃ 3.8 kg melt flow index (MFI) | ISO 1133 | g/10min | 2.7 |
Mechanical properties | |||
| Tensile strength | ISO 527-2 | Mpa | 76 |
| Tensile rate | ISO 527-2 | % | 6 |
| Bending strength | ISO 178 | MPa | 140 |
| Flexural modulus | ISO 178 | MPa | 3300 |
| Charpy impact strength (with notch) | ISO 179-1 | KJ/m2 | 1.4 |
| Rockwell hardness | ISO 2039-2 | - | 101 |
Electrical properties | |||
| Surface resistivity | IEC 60093 | Ω | >1016 |
| Volume resistivity | IEC 60093 | Ωcm | >1014 |
| Dielectric coefficient of resistance | IEC 60167 | Ω | >1015 |
| Dielectric strength | IEC 60243-1 | Kv/mm | 20 |
| Dielectric constant | IEC 60250 | - | 3.5 |
Other properties | |||
| Density | ISO 1183 | - | 1.19 |
| Molding shrinkage | ISO 294-4 | % | 0.2-0.6 |
| Water absorption | ISO 62 | % | 0.3 |
| Flame retardant | UL 94 | - | HB |