Knowde Enhanced TDS
Identification & Functionality
- Additives Included
- Chemical Family
- Polymer Name
- Plastics & Elastomers Functions
- Technologies
Features & Benefits
- Labeling Claims
- Materials Features
- Value Propositions
- High Temperature Resistance: Applicable to products that require secondary processing (etc. low thermal welding) or assembly processes that require high heat resistance capability
- High Flow in Broad Processing Window: Cost-efficient part production within machine limitations and without compromising part quality.
- Excellent Optical Performance: Design freedom based on consistent and stable optical properties (etc. transparency, good light transmission and high refractive index).
- Customization: Flexibility in modifying product formulations to cater to different needs.
Applications & Uses
- Applications
- Plastics & Elastomers End Uses
- Potential Application Spaces
- Flash lens : LEXAN CXT resins offer high heat resistance for secondary operations (like low temperature or wave soldering), high transmission at required wavelengths (visible and/or IR) & good flow capability for high precision molding of complex, large, thin and/or textured lenses.
- Sensor lens
- Flexible electronics
- Healthcare
- High heat films (e.g. touch screen sensor)
- Auto camera lens
- Auto inner lens
- Lighting
- Films : LEXANCXT17EX and CXT19EX resins are optimized for efficient production of films via extrusion, and offer high heat resistance (for secondary operations and/or part performance) and good optical performance (high transmission and low retardation).
Properties
- Mechanical Properties
- Physical Properties
- Thermal Properties
- Optical Properties
- Processing Information (Sheet Extrusion)
- Impact Properties
- Note
- ʰ Measurements made from laboratory test coupon. Actual shrinkage may vary outside of range due to differences in processing conditions, equipment, part geometry and tool design. It is recommended that mold shrinkage studies be performed with surrogate or legacy tooling prior to cutting tools for new molded article.
- ¹⁰ Processing parameters are only mentioned as general guidelines. These may not apply or may need adjustment in specific situations.
- ¹¹ The information stated on Technical Datasheets should be used as indicative only for material selection purposes and not be utilized as specification or used for part or tool design.
| Value | Units | Test Method / Conditions | |
| Tensile Stress (Yield, Type I, 50 mm/min) ¹¹ | 75 | MPa | ASTM D638 |
| Tensile Stress (Break, Type I, 50 mm/min) ¹¹ | 60 | MPa | ASTM D638 |
| Tensile Strain (Yield, Type I, 50 mm/min) ¹¹ | 7 | % | ASTM D638 |
| Tensile Strain (Break, Type I, 50 mm/min) ¹¹ | min. 40 | % | ASTM D638 |
| Tensile Modulus (at 5 mm/min) ¹¹ | 2500 | MPa | ASTM D638 |
| Flexural Stress (Yield, 1.3 mm/min, 50 mm span) ¹¹ | 120 | MPa | ASTM D790 |
| Flexural Modulus (at 1.3 mm/min, 50 mm span) ¹¹ | 2450 | MPa | ASTM D790 |
| Tensile Stress (Yield, 50 mm/min) ¹¹ | 75 | MPa | ISO 527 |
| Tensile Stress (Break, 50 mm/min) ¹¹ | 60 | MPa | ISO 527 |
| Tensile Strain (Yield, 50 mm/min) ¹¹ | 6.5 | % | ISO 527 |
| Tensile Strain (Break, 50 mm/min) ¹¹ | min. 50 | % | ISO 527 |
| Tensile Modulus (at 1 mm/min) ¹¹ | 2450 | MPa | ISO 527 |
| Flexural Stress (Yield, at 2 mm/min) ¹¹ | 110 | MPa | ISO 178 |
| Flexural Modulus (at 2 mm/min) ¹¹ | 2500 | MPa | ISO 178 |
| Value | Units | Test Method / Conditions | |
| Mold Shrinkage (flow, 3.2 mm) ʰ ¹¹ | 0.7 - 0.95 | % | SABIC method |
| Mold Shrinkage (xflow, 3.2 mm) ʰ ¹¹ | 0.7 - 0.95 | % | SABIC method |
| Specific Gravity ¹¹ | 1.21 | — | ASTM D792 |
| Melt Flow Rate (at 330°C, 2.16 kgf) ¹¹ | 30 | g/10 min | ASTM D1238 |
| Density ¹¹ | 1.21 | g/cm³ | ISO 1183 |
| Water Absorption (at 23°C, saturated) ¹¹ | 0.3 | % | ISO 62-1 |
| Moisture Absorption (at 23°C, 50% RH) ¹¹ | 0.3 | % | ISO 62 |
| Melt Volume Rate (at 330°C, 2.16kg) ¹¹ | 27 | cm³/10 min | ISO 1133 |
| Value | Units | Test Method / Conditions | |
| Glass Transition Temperature (Half-width) ¹¹ | 175 | °C | SABIC method |
| Vicat Softening Temperature (Rate B/120) ¹¹ | 174 | °C | ASTM D1525 |
| Vicat Softening Temperature (Rate B/120) ¹¹ | 174 | °C | ISO 306 |
| Heat Deflection Temperature (at 0.45 MPa, 3.2 mm, Unannealed) ¹¹ | 167 | °C | ASTM D648 |
| Heat Deflection Temperature (at 1.82 MPa, 3.2mm, Unannealed) ¹¹ | 154 | °C | ASTM D648 |
| Coefficient of Thermal Expansion (at -40°C to 40°C, flow) ¹¹ | 0.00006 | 1/°C | ISO 11359-2 |
| Coefficient of Thermal Expansion (at -40°C to 40°C, xflow) ¹¹ | 0.00006 | 1/°C | ISO 11359-2 |
| Heat Deflection Temperature/Bf (at 0.45 Mpa, Flatw 80*10*4, sp=64mm) ¹¹ | 167 | °C | ISO 75/Bf |
| Heat Deflection Temperature/Af (at 1.8 Mpa, Flatw 80*10*4, sp=64mm) ¹¹ | 154 | °C | ISO 75/Af |
| Thermal Conductivity ¹¹ | 0.2 | W/m-°C | ISO 8302 |
| Value | Units | Test Method / Conditions | |
| Refractive Index ¹¹ | 1.602 | — | ISO 489 |
| Abbe Number ¹¹ | 30 | — | ISO 489 |
| Light Transmission (at 1.0 mm) ¹¹ | 89 | % | ASTM D1003 |
| Light Transmission (at 2.0 mm) ¹¹ | 88 | % | ASTM D1003 |
| Light Transmission (at 3.0 mm) ¹¹ | 87 | % | ASTM D1003 |
| Value | Units | Test Method / Conditions | |
| Drying Temperature ¹⁰ | 135 | °C | — |
| Drying Time ¹⁰ | 4 - 6 | Hrs | — |
| Barrel - Zone 1 Temperature ¹⁰ | 160 - 230 | °C | — |
| Barrel - Zone 2 Temperature ¹⁰ | 250 - 290 | °C | — |
| Barrel - Zone 3 Temperature ¹⁰ | 280 - 345 | °C | — |
| Hopper Temperature ¹⁰ | 40 - 60 | °C | — |
| Adapter Temperature ¹⁰ | 80 - 130 | °C | — |
| Die Temperature ¹⁰ | 270 - 350 | °C | — |
| Melt Temperature ¹⁰ | 270 - 350 | °C | — |
| Calibrator Temperature ¹⁰ | 90 - 150 | °C | — |
| Value | Units | Test Method / Conditions | |
| Izod Impact (Notched, at 23°C) ¹¹ | 80 | J/m | ASTM D256 |
| Izod Impact (Notched, at -30°C) ¹¹ | 75 | J/m | ASTM D256 |
| Izod Impact (Unnotched, 80*10*3, at 23°C) ¹¹ | No break | kJ/m² | ISO 180/1U |
| Izod Impact (Notched, 80*10*3, at 23°C) ¹¹ | 8 | kJ/m² | ISO 180/1A |
| Izod Impact (Notched, 80*10*3, at -30°C) ¹¹ | 7 | kJ/m² | ISO 180/1A |
| Charpy Impact (at 23°C, V-notch Edgew 80*10*3 sp=62mm) ¹¹ | 10 | kJ/m² | ISO 179/1eA |
| Charpy Impact (at -30°C, V-notch Edgew 80*10*3 sp=62mm) ¹¹ | 7 | kJ/m² | ISO 179/1eA |
| Charpy Impact (at 23°C, Unnotch Edgew 80*10*3 sp=62mm) ¹¹ | No break | kJ/m² | ISO 179/1eU |
Packaging & Availability
- Regional Availability