Recycling Content TPE with PA adhesion; PIR and PCR content of > 43%

Processing Method:
Injection Molding
Color / RAL DESIGN:
natural
Recycled raw materials content**:
43%
Availability:
Globally
Manufacturing Site:
Germany

Typical applications

  • Grip applications
  • Soft touch
  • Function and design elements
  • Over molded housing
  • Fasteners

 

Material features

  • Adhesion to PA6 and PA6.6
  • Recycled raw materials content > 50%
  • Sustainable material
  • Reduced PCF compared to virgin compound
  • In-process recycling possible
  • Recycling-specific raw material influences are possible
  • Colorable

 

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Value Unit Standard
Hardness 90 Shore A DIN ISO 48-4
Density 0.980 g/cm3 DIN EN ISO 1183-1
Tensile Strength1 10.0 MPa DIN 53504/ISO 37
Elongation at Break1 650 % DIN 53504/ISO 37
Tear Resistance 30.0 N/mm ISO 34-1 Method B (b) (Graves)
Adhesion to PA 6.62 - - N/mm VDI 2019 two-component injection molding
Adhesion to PA 62 6.5 (D) N/mm VDI 2019 two-component injection molding
Long term temperature stability without stress from -40°C up to 70 °C KRAIBURG TPE test method
Recycled raw materials content 43 %
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.
**Recycling-specific influences such as slight color deviations, gloss differences, viscosity variations or a higher hardness spreading are possible with TPEs containing a recycled component.
An application-specific technical delivery agreement is therefore recommended.
All values published in this data sheet are rounded average values.
The expected shelf life of the TPE granules is a minimum of 24 months from the date of delivery, provided that the storage instructions are followed and the product is kept in the unopened original KRAIBURG TPE packaging.
Dry conditions at room temperature (below 40 °C/ 104 °F), away from heat sources and direct sunlight, must be maintained for proper storage. Contact with nitrogen oxides during storage should be avoided.
For further information and individual custom solutions please contact our customer service.

Processing Guideline Injection Molding
Cylinder Temperature 180 - 190 - 200 °C, max. 235 °C (360 - 370 - 390 °F, max. 445 °F)
Hotrunner Hot runner temperatures: 200 - 235 °C (390 - 455 °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 Pre drying of the material is not necessary; if surface moisture forms as a result of changes in temperature, the material should be dried for 2 - 4 hours at 60°C (140° F).
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 is to be set as short as possible with a maximum of 10 minutes.
Cleaning Recommendation For cleaning and purging of the machine it is appropriate to use polypropylene or polyethylene. Machine must be PVC-free.
The expected shelf life of the TPE granules is a minimum of 24 months from the date of delivery, provided that the storage instructions are followed and the product is kept in the unopened original KRAIBURG TPE packaging.
Dry conditions at room temperature (below 40 °C/ 104 °F), away from heat sources and direct sunlight, must be maintained for proper storage. Contact with nitrogen oxides during storage should be avoided.