Knowde Enhanced TDS
Identification & Functionality
- Polymer Name
- Technologies
Applications & Uses
- Markets
- Compatible Polymers & Resins
- Plastics & Elastomers End Uses
- Plastics & Elastomers Processing Methods
Properties
- Physical Properties
| Value | Units | Test Method / Conditions | |
| Density | 0.88 | g/cm³ | ISO 1183 |
| Melt Flow (230°C/5Kg) | 24 | g/10min | ISO 1133 |
| Durometer Shore A Hardness (Instantaneous) | 82 | — | ASTM D2240 |
| Durometer Shore A Hardness (10 second delay) | 75 | — | ASTM D2240 |
| Compression Set (22 hrs at 70°C) | 45 | MPa | ASTM D395 |
| Tensile Modulus (M100/100% Modulus, 500mm/min, Type 1) | 4.2 | MPa | ISO 37 |
| Tensile Strength (500mm/min, Type 1) | 9 | MPa | ISO 37 |
| Tensile Elongation (500mm/min, Type 1) | 550 | % | ISO 37 |
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