Knowde Enhanced TDS
Identification & Functionality
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Applications & Uses
- Applications
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Properties
- Mechanical Properties
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- Thermal Properties
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- Impact Properties
- Injection Molding
- Note
- ᵈ Injection Molding parameters are only mentioned as general guidelines. These may not apply or may need adjustment in specific situations such as low shot sizes, large part molding, thin wall molding and gas-assist molding. Do NOT mix NORYL GTX* resin with other grades of NORYL* resins. Polystyrene and acrylic regrind are effective purging Materials. Use temperature range appropriate for particular purging resin. Regrind must also be dried. Maximum 25% regrind. Dry at recommended temperatures and times for optimum performance. Overdrying can cause loss of physical properties and/or create appearance defects. Do not exceed recommended basic drying time and temperature above or:\n4-8 hrs at 95°C (200°F), 10 hrs max\n6-12 hrs at 80°C (175°F), 16 hrs max\n8-16 hrs at 65°C (150°F), 24 hrs max\nAVOID air circulating tray ovens. Moisture levels in heated ambient air can exceed moisture level in the resin itself, causing moisture ABSORPTION not drying. Avoid melt temperature in excess of 300°C (575°F) and residence times over 6-8 minutes (may affect properties and/or appearance). Nozzle temperature controls assist in elimination of drool premature freeze-off. Shot sizes in excess of 50% barrel capacity can lead to difficulties in providing a consistent, homogenous plastic melt.
- ᵍ 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.
- ⁷ Injection Molding parameters are only mentioned as general guidelines. These may not apply or may need adjustment in specific situations such as low shot sizes, large part molding, thin wall molding and gas-assist molding.
- 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) ¹¹ | 41 | MPa | ASTM D638 |
| Tensile Stress (Yield) ¹¹ | 42 | MPa | ISO 527 |
| Tensile Stress (Break) ¹¹ | 31 | MPa | ASTM D638 |
| Tensile Stress (Break) ¹¹ | 36 | MPa | ISO 527 |
| Tensile Strain (Yield) ¹¹ | 15.8 | % | ASTM D638 |
| Tensile Strain (Yield) ¹¹ | 13.3 | % | ISO 527 |
| Tensile Strain (Break) ¹¹ | 59.5 | % | ASTM D638 |
| Tensile Strain (Break) ¹¹ | 49.3 | % | ISO 527 |
| Tensile Modulus (at 50 mm/min) ¹¹ | 1590 | MPa | ASTM D638 |
| Flexural Stress ¹¹ | 40 | MPa | ISO 178 |
| Flexural Stress ¹¹ | 48 | MPa | ASTM D790 |
| Flexural Modulus ¹¹ | 1500 | MPa | ISO 178 |
| Flexural Modulus ¹¹ | 1440 | MPa | ASTM D790 |
| Tensile Modulus (at 1 mm/min) ¹¹ | 1500 | MPa | ISO 527 |
| Value | Units | Test Method / Conditions | |
| Density ¹¹ | 1.33 | g/cm³ | ISO 1183 |
| Density ¹¹ | 1.32 | g/cm³ | ASTM D792 |
| Moisture Absorption (at 23°C, 50% RH, 24hrs) ¹¹ | 2.2 | % | ASTM D570 |
| Mold Shrinkage (flow, 24 hrs) ᵍ ¹¹ | 1.8 | % | ASTM D955 |
| Mold Shrinkage (flow, 24 hrs) ᵍ ¹¹ | 1.81 | % | ISO 294 |
| Mold Shrinkage (xflow, 24 hrs) ᵍ ¹¹ | 1.8 | % | ASTM D955 |
| Mold Shrinkage (xflow, 24 hrs) ᵍ ¹¹ | 1.83 | % | ISO 294 |
| Wear Factor Washer ¹¹ | 14 | 10^-10 in^5-min/ft-lb-hr | ASTM D3702 Modified: Manual |
| Dynamic COF ¹¹ | 0.42 | — | ASTM D3702 Modified: Manual |
| Static COF ¹¹ | 0.24 | — | ASTM D3702 Modified: Manual |
| Value | Units | Test Method / Conditions | |
| Heat Deflection Temperature (at 0.45 MPa, 3.2 mm, Unannealed) ¹¹ | 146 | °C | ASTM D648 |
| Heat Deflection Temperature (at 1.82 MPa, 3.2mm, Unannealed) ¹¹ | 67 | °C | ASTM D648 |
| Coefficient of Thermal Expansion (at -40°C to 40°C, flow) ¹¹ | 0.00013 | 1/°C | ASTM E831 |
| Coefficient of Thermal Expansion (at -40°C to 40°C, flow) ¹¹ | 0.00013 | 1/°C | ISO 11359-2 |
| Coefficient of Thermal Expansion (at -40°C to 40°C, xflow) ¹¹ | 0.000133 | 1/°C | ASTM E831 |
| Coefficient of Thermal Expansion (at -40°C to 40°C, xflow) ¹¹ | 0.000133 | 1/°C | ISO 11359-2 |
| Value | Units | Test Method / Conditions | |
| Surface Resistivity ᵈ ¹¹ | 1000000000 - 100000000000 | Ω | ASTM D257 |
| Value | Units | Test Method / Conditions | |
| Izod Impact (Unnotched, at 23°C) ¹¹ | No break | J/m | ASTM D4812 |
| Izod Impact (Notched, at 23°C) ¹¹ | 149 | J/m | ASTM D256 |
| Instrumented Dart Impact Energy (Peak, at 23°C) ¹¹ | 29 | J | ASTM D3763 |
| Multi-Axial Impact ¹¹ | 17 | J | ISO 6603 |
| Izod Impact (Unnotched, 80*10*4, at 23°C) ¹¹ | No break | kJ/m² | ISO 180/1U |
| Izod Impact (Notched, 80*10*4, at 23°C) ¹¹ | 15 | kJ/m² | ISO 180/1A |
| Value | Units | Test Method / Conditions | |
| Back Pressure ⁷ | 0.2 - 0.3 | MPa | — |
| Drying Temperature ⁷ | 80 | °C | — |
| Drying Time ⁷ | 4 | Hrs | — |
| Front - Zone 3 Temperature ⁷ | 200 - 210 | °C | — |
| Melt Temperature ⁷ | 195 - 205 | °C | — |
| Middle - Zone 2 Temperature ⁷ | 190 - 200 | °C | — |
| Mold Temperature ⁷ | 70 - 95 | °C | — |
| Rear - Zone 1 Temperature ⁷ | 175 - 190 | °C | — |
| Screw Speed ⁷ | 30 - 60 | rpm | — |
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