Enhanced TDS
Knowde-enriched technical product data sheet
Identification & Functionality
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Features & Benefits
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Properties
- Physical Properties
Value Units Test Method / Conditions Density ¹¹ 1.32 g/cm³ ASTM D792 Melt Volume Rate (at 300°C, 3.8 kg) ¹¹ 19 cm³/10 min ISO 1133 - Electrical Properties
Value Units Test Method / Conditions Surface Resistivity ᵈ ¹¹ 100 - 1000000 Ω ASTM D257 - Impact Properties
Value Units Test Method / Conditions Izod Impact (Notched, at 23°C) ¹¹ 90 J/m ASTM D256 - Injection Molding
Value Units Test Method / Conditions Drying Temperature ⁷ 120 °C - Drying Time ⁷ 4 Hrs - Maximum Moisture Content ⁷ 0.02 % - Melt Temperature ⁷ 305 - 325 °C - Front - Zone 3 Temperature ⁷ 320 - 330 °C - Middle - Zone 2 Temperature ⁷ 310 - 320 °C - Rear - Zone 1 Temperature ⁷ 295 - 305 °C - Mold Temperature ⁷ 80 - 110 °C - Back Pressure ⁷ 0.2 - 0.3 MPa - Screw Speed ⁷ 30 - 60 rpm - - 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.
- 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.
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