TF7PCM-LCNT
FC/CM3/AD1 Series | THERMOLAST® K
Applications with all food contact requirements; extremely low migration potential; adhesion to polar thermoplastics, e.g. Tritan, SAN, PC, PET, PETG, ABS and PA
Processing Method:
Injection Molding, Extrusion
Injection Molding, Extrusion
Color / RAL DESIGN:
translucent
translucent
Availability:
Globally
Globally
Manufacturing Site :
Germany
Germany
Typical applications
- Packaging for food
- Cosmetic packaging
- Household articles
- Hoses for food application
- Components for the food industry
Material advantages
- Low migration potential
- Adhesion to PC, ABS, PC/ABS, ASA, SAN
- Adhesion to PET and PETG
- Adhesion to PA6 and PA12
- Soft touch surface
- High elasticity
- Free from animal ingredients
| Value | Unit | Standard | |
|---|---|---|---|
| Hardness | 70 | Shore A | DIN ISO 48-4 |
| Density | 1.090 | g/cm3 | DIN EN ISO 1183-1 |
| Tensile Strength1 | 28.0 | MPa | DIN 53504/ISO 37 |
| Elongation at Break1 | 450 | % | DIN 53504/ISO 37 |
| Tear Resistance | 55.0 | N/mm | DIN ISO 34-1 Method B (b) (Graves) |
| Adhesion to ABS2 | 3.8 (C) | N/mm | DIN ISO 813-2 |
| Adhesion to PETG2 | 3.7 (B) | N/mm | DIN ISO 813-2 |
| Adhesion to PA 62 | 3.9 (C) | N/mm | DIN ISO 813-2 |
| Adhesion to PA 122 | 3.8 (C) | N/mm | DIN ISO 813-2 |
| CS 72 h/23 °C | 28 | % | DIN ISO 815-1 Method A |
1Deviating from ISO 37 standard test piece S2 is tested with a traverse speed of 200 mm/min.
2The adhesion quality depends on mold design, product geometry and process parameters.
2The adhesion quality depends on mold design, product geometry and process parameters.
| All values published in this data sheet are rounded average values. |
| The shelf life of the TPE granules is 24 months from delivery if storage instructions are observed and the product is stored in the unopened original KRAIBURG TPE packaging. Store in dry conditions at room temperature (below 40 °C) away from heat sources and direct sunlight! Contact with nitrogen oxides must be avoided during storage! |
| For further information and individual custom solutions please contact our customer service. |
| Processing Guideline Injection Molding | |
|---|---|
| Cylinder Temperature | 150 - 170 - 190 °C; max. 210 °C (300 - 340 - 375 °F; max. 410 °F) |
| Hotrunner | Hot runner temperatures: 200 °C (390 °F). The runner should be empty after a maximum of 2 - 3 shots. |
| Injection Pressure | 200 - 1000 bar (2900 - 14504 psi) (depending on the size and weight of the part). |
| Injection Rate | In general, the fill time should not be more than 1–2 seconds. |
| Hold Pressure | We recommend to derive the optimum hold pressure from determining the solidification point, starting with 40 % - 60 % of the required injection pressure. |
| Back Pressure | 20 - 100 bar; if color batches are used, higher back pressure is necessary. |
| Screw Retraction | If an open nozzle is used processing with screw retraction is advisable. |
| Mold Temperature | 25 - 40 °C (77 - 104 °F) |
| Predrying | The material is hygroscopic. Residual moisture content leads to processing problems and a reduction in the quality of the finished part and might lead to exceeding global migration values. Drying conditions: 80 °C for 6-8 h; maximum dew point of the inlet air: -25°C. The maximum residual moisture of the material should not exceed 0,02%. |
| Needle Valve | With materials < 50 Shore A the use of a needle valve is advisable. |
| Screw Geometry | Standard 3-zone polyolefine screw. |
| Residence Time | The residence time should be set as short as possible. If the residence time is too long, a distinctive smell will appear and the TPE shows "frothing". Please ensure the forced ventilation instruction mentioned in the material safety datasheet. |
| Cleaning Recommendation | For cleaning and purging of the machine it is appropriate to use polypropylene or polyethylene. Machine must be PVC-free. |
| Other Information | The pre-dried material should be processed immediately, otherwise moisture will be absorpted again. A gentle processing of the material is recommended. |
| Processing Guideline Extrusion | |
|---|---|
| Cylinder Temperature | 150 - 170 - 190 °C; max. 210 °C (300 - 340 - 375 °F; max. 410 °F) |
| Screw Geometry | Standard three-zone screw (e.g. polyolefin screw). The screw must be able to provide sufficient shearing. |
| L/D Ratio | At least 25 |
| Compression Ratio | At least 2,7 ... 3,5 : 1 |
| Screens / Breaker Plate | A breaker plate and a screen pack are recommended in the extruder configuration in order to increase pressure. In minimum two screen packs of 100 mesh are recommended. |
| Die Land | <= 3 mm ( <= 0,12 in.) |
| Extruder Head | Ca. 190 - 210 °C (374 - 410 °F) |
| Die Temperature | Ca. 180 - 190 °C (374 - 410 °F) |
| Predrying | The material is hygroscopic. Residual moisture content leads to processing problems and a reduction in the quality of the finished part and might lead to exceeding global migration values. Drying conditions: 80 °C for 6-8 h; maximum dew point of the inlet air: -25°C. The maximum residual moisture of the material should not exceed 0,02%. |
| Calibration | Generally not necessary; support elements may be required when extruding THERMOLAST® compounds with high hardness or when coextruding with standard thermoplastics. |
| Cleaning Recommendation | For cleaning and purging of the machine it is appropriate to use polypropylene or polyethylene. Machine must be PVC-free. |
| Other Information | The pre-dried material should be processed immediately, otherwise moisture will be absorpted again. A gentle processing of the material is recommended. |