Hardness-dependent post-industrial recycled content, adhesion to ABS, PC, PC/ABS, for the Asia Pacific market

Processing Method:
Injection Molding
Color / RAL DESIGN:
natural
Recycled raw materials content**:
42%
Availability:
Globally
Manufacturing Site:
Malaysia

Typical applications

  • Function and design elements
  • Handles and grips for consumer applications
  • Handles (tools, toolboxes, ski poles)
  • Soft touch surface (thumb wheels, push buttons, switches)
  • Games consoles
  • Remote controls
  • Ear phones
  • Household articles
  • Wearables

 

Material features

  • Optimized mechanical properties
  • Non-sticky surface
  • Colorable
  • Sustainable material
  • Adhesion to PC, ABS, PC/ABS
  • Smooth touch

 

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Americas (English) PDF fileSafety Data Sheet
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Asia (한국어) PDF fileSafety Data Sheet
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Value Unit Standard
Hardness 71 Shore A DIN ISO 48-4
Density 1.100 g/cm3 DIN EN ISO 1183-1
Tensile Strength1 9.0 MPa DIN 53504/ISO 37
Elongation at Break1 520 % DIN 53504/ISO 37
Tear Resistance 28.0 N/mm ISO 34-1 Method B (b) (Graves)
Adhesion to ABS2 5.0 (C) N/mm VDI 2019 two-component injection molding
Adhesion to PC2 4.0 (C) N/mm VDI 2019 two-component injection molding
Recycled raw materials content 42 %
1Deviating from ISO 37 standard test piece S2 is tested with a traverse speed of 200 mm/min. Specimens were tempered for 20 hrs at 100°C (212°F).
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. 220 °C (360 - 370 - 390 °F, max. 425 °F)
Hotrunner Hot runner temperatures: 180 - 220 °C (356 - 428 °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 The mold temperature depends on the hard component. A temperature exceeding 80 °C (175 °F) should be avoided. The common temperature is 40 - 60 °C (105 - 140° F).
Predrying The material is hygroscopic, residual moisture content might lead to processing problems and a reduction in the quality of the finished part. The use of a desiccant dehumidifying dryer is recommended. Drying conditions: 80 °C for 4-6 hrs; maximum dew point of the inlet air: -25 °C. The maximum residual moisture of the material should not exceed 0,02 %.
Needle Valve The use of a needle valve nozzle 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.