GON N1381 is an optical-grade general polystyrene featuring extremely high light transmittance and superior extrusion processability, developed for high-transmittance optical parts manufacturing.
Ultra-high light transmittance, stable extrusion performance, low light loss, smooth surface, high forming yield, optical grade.
Boasts ultra-high visible light transmittance with low light loss, delivering uniform and bright light output, ideal for high-standard optical products.
Stable melt fluidity during extrusion processing, less mold residue, smooth product surface, high forming efficiency and low production defect rate.
Property | Test method | Unit | Typical |
Rheological properties | |||
Melt flow index (condition G - 200°C, 5kg) | ASTM D1238 | g/10 min | 1.8 |
General properties | |||
Specific gravity | ASTM D792 | g/cm³ | 1.04 |
Bulk density of granules | ASTM D1895 | kg/dm³ | 0.65 |
Mechanical properties | |||
Izod impact strength, notched, at 23°C - 3.2mm thick specimen | ASTM D256 | kg.cm/cm | 1.8 |
Tensile properties | ASTM D638 | ||
- tensile strength | N/mm² | 50 | |
- elongation at break | % | 2.1 | |
- elastic modulus | N/mm² | 3200 | |
Rockwell hardness, M scale | ASTM D785 | 80 | |
Thermal properties | |||
Heat deflection temperature (12.7mm thick specimen - 1.82 N/mm²) | ASTM D648 | °C | 96 |
Vicat softening point, oil, speed 50 ± 5 °C/h; - 1kg load | ASTM D1525 | °C | 106 |
- 5kg load | ASTM D1525 | °C | 102 |
Suitable for light guide plates, LCD inner display screens, lighting decorative accessories and all kinds of optical products requiring superior light transmission performance.
