Knowde Enhanced TDS
Identification & Functionality
- Polymer Name
- Technologies
Features & Benefits
Applications & Uses
- Markets
- Plastics & Elastomers End Uses
- Plastics & Elastomers Processing Methods
Properties
- Physical Properties
| Value | Units | Test Method / Conditions | |
| Density | 0.89 | g/cm³ | ISO 1183 |
| Melt Flow (230°C/2.16Kg) | 14 | g/10min | ISO 1133 |
| Flexural Modulus | 300 | MPa | ISO 178 |
| Tensile Strength | 14 | MPa | ISO 37 |
| Tensile Elongation (500mm/min, Type 1) | 600 | % | ISO 37 |
| Izod Impact Strength (at -40°C) | min. 60 | kJ/m² | ISO 180 |
| Tear Strength | 80 | kN/m | ISO 34-1B |
| Durometer Shore D Hardness (Instantaneous) | 50 | — | ASTM D2240 |
| Mold Shrinkage (Tested on a basic plaque tool under optimum molding conditions) | 0.015 - 0.018 | in/in & mm/mm | Sumitomo Method |
Technical Details & Test Data
- Tool Design Guidelines
Wall Thickness (WT) 2 – 4 mm Gate Type Fan Gate Gate Thickness (GT) 0.6 – 0.9 x WT Gate Width (GW) > 2 x GT Gate Land (GL) < 0.75 mm Runner Type Round Sprue “O” Diameter 3.5 x WT Main-Runner (SR) 2.5 x WT Secondary-Runner (MR) 1.5 x WT Draft 3° – 6 ° per side Inside Radius (IR) WT / 2 Outside Radius (OR) WT + IR Surface Texture Light Stipple Surface Coating Nickel / Teflon Vent Quantity 1 Every Inch Vent Depth 0.013 – 0.025 mm
Vent Width 5 mm - Processing Guidelines
Nozzle Temp. (°F) 390 – 470 Front Zone (°F) 390 – 470 Middle Zone (°F) 370 – 450 Rear Zone (°F) 350 – 430 Mold Temp. (°F) 70 – 120 Injection Speed Fast Screw RPM Slow Injection Pressure (%) 20% more than actual transfer pressure
Back Pressure (psi) 50 – 100 Pack/Hold Pressure 40 – 80% of Injection Pressure