Knowde Enhanced TDS
Identification & Functionality
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- Fillers Included
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Applications & Uses
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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, Type I, 5 mm/min) ¹¹ | 19 | MPa | ASTM D638 |
| Tensile Stress (Break, Type I, 5 mm/min) ¹¹ | 18 | MPa | ASTM D638 |
| Tensile Strain (Yield, Type I, 5 mm/min) ¹¹ | 388 | % | ASTM D638 |
| Tensile Strain (Break, Type I, 5 mm/min) ¹¹ | 392 | % | ASTM D638 |
| Tensile Modulus (at 5 mm/min) ¹¹ | 60 | MPa | ASTM D638 |
| Flexural Modulus (at 1.3 mm/min, 50 mm span) ¹¹ | 60 | MPa | ASTM D790 |
| Hardness (Shore A) ¹¹ | 90 | — | ASTM D2240 |
| Value | Units | Test Method / Conditions | |
| Specific Gravity ¹¹ | 1.28 | — | ASTM D792 |
| Density ¹¹ | 1.28 | g/cm³ | ASTM D792 |
| Moisture Absorption (at 23°C, 50% RH, 24hrs) ¹¹ | 0.67 | % | ASTM D570 |
| Mold Shrinkage (flow, 24 hrs) ᵍ ¹¹ | 0.8 - 1 | % | ASTM D955 |
| Mold Shrinkage (xflow, 24 hrs) ᵍ ¹¹ | 0.4 - 0.6 | % | ASTM D955 |
| Moisture Absorption (at 23°C, 50% RH) ¹¹ | 0.89 | % | ISO 62 |
| Value | Units | Test Method / Conditions | |
| Heat Deflection Temperature (at 0.45 MPa, 3.2 mm, Unannealed) ¹¹ | 23 | °C | ASTM D648 |
| Heat Deflection Temperature (at 1.82 MPa, 3.2mm, Unannealed) ¹¹ | 23 | °C | ASTM D648 |
| Heat Deflection Temperature/Bf (at 0.45 Mpa, Flatw 80*10*4, sp=64mm) ¹¹ | 23 | °C | ISO 75/Bf |
| Heat Deflection Temperature/Af (at 1.8 Mpa, Flatw 80*10*4, sp=64mm) ¹¹ | 23 | °C | ISO 75/Af |
| Value | Units | Test Method / Conditions | |
| Surface Resistivity ᵈ ¹¹ | 100 - 100000 | Ω | ASTM D257 |
| Value | Units | Test Method / Conditions | |
| Multi-Axial Impact ¹¹ | 41 | J | ISO 6603 |
| Instrumented Dart Impact Total Energy (at 23°C) ¹¹ | 39 | J | ASTM D3763 |
| Value | Units | Test Method / Conditions | |
| Back Pressure ⁷ | 0.2 - 0.3 | MPa | — |
| Drying Temperature ⁷ | 95 - 105 | °C | — |
| Drying Time ⁷ | 2 | Hrs | — |
| Front - Zone 3 Temperature ⁷ | 200 - 220 | °C | — |
| Maximum Moisture Content ⁷ | 0.03 | % | — |
| Melt Temperature ⁷ | 210 | °C | — |
| Middle - Zone 2 Temperature ⁷ | 195 - 215 | °C | — |
| Mold Temperature ⁷ | 15 - 45 | °C | — |
| Nozzle Temperature ⁷ | 205 - 225 | °C | — |
| Rear - Zone 1 Temperature ⁷ | 195 - 210 | °C | — |
| Screw Speed ⁷ | 30 - 60 | rpm | — |
| Shot to Cylinder Size ⁷ | 40 - 80 | % | — |
Packaging & Availability
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