Sealing applications in the drinking water sector with adhesion to PP

Processing Method: Injection Molding
Color / RAL DESIGN: natural

Typical applications

  • Seals, functional and design elements in sanitary sector

 

Material advantages

  • Adhesion to PP
  • Plasticizer free
  • Optimized compression set
  • Thermoplastic alternative to elastomers
  • Resistance to microbes

 

Regulations / Approvals

  • Regulation (EU) No 10/2011
  • DVGW Arbeitsblatt W270
  • KTW
  • ACS (DGS/VS4 n° 200/232)
  • WRAS: BS6920-1:2000 and/or 2014 cold water (23 °C)

 

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EMEA (English) PDF fileSafety Data Sheet
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PDF file ACS-TF6WCS-TF9WCS
PDF file KTW-TF6WCS-TF9WCS
PDF file W270-TF6WCS-TF9WCS-
PDF file WRASTF6WCS-TF9WCS-
Value Unit Standard
Hardness 76 Shore A DIN ISO 48-4
Density 0.930 g/cm3 DIN EN ISO 1183-1
Tensile Strength1 16.0 MPa DIN 53504/ISO 37
Elongation at Break1 600 % DIN 53504/ISO 37
Tear Resistance 27.0 N/mm ISO 34-1 Method B (b)
CS 72 h/23 °C 20 % DIN ISO 815-1 Method A
CS 24 h/70 °C 75 % DIN ISO 815-1 Method A
1Deviating from ISO 37 standard test piece S2 is tested with a traverse speed of 200 mm/min.
All values published in this data sheet are rounded average values.
The shelf life of the TPE granules is 12 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 (15–30 °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 230 - 250 - 260 °C max. 280 °C (470 - 500 - 520 °F, max. 540 °F)
Hotrunner Hot runner temperatures 250 - 265 °C / 480 - 510 °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 Due to better processing behavior pre-drying is recommended. Drying conditions: 60°C-80°C for 2-4 hrs.
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 shelf life of the TPE granules is 12 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 (15–30 °C) away from heat sources and direct sunlight! Contact with nitrogen oxides must be avoided during storage!