Applications with adhesion to PA

Processing Method: Injection Molding
Color / RAL DESIGN: black

Typical applications

  • Thumb wheels
  • Seals
  • Function and design elements
  • Attenuators for electronic housings
  • Handles (hand tools and power tools etc.)
  • Grommets
  • Cable clips

 

Material advantages

  • Adhesion to PA6 and PA6.6, up to 50% glass fiber
  • Adhesion to PA12
  • Soft touch surface
  • Demolding
  • Optimized flow properties
  • Halogen content (chlorine + bromine) < 900 ppm
  • Dry haptics
  • Colorable
  • Temperature stability up to 90 °C

 

Regulations / Approvals

  • UL 94 HB

 

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Value Unit Standard
Hardness 32 Shore A DIN ISO 48-4
Density 1.150 g/cm3 DIN EN ISO 1183-1
Tensile Strength1 1.5 MPa DIN 53504/ISO 37
Elongation at Break1 450 % DIN 53504/ISO 37
Tear Resistance 8.0 N/mm ISO 34-1 Methode B (b) (Graves)
CS 72 h/23 °C 35 % DIN ISO 815-1 Method A
Adhesion to PA 62 2.0 (B) N/mm VDI 2019 two-component injection molding
Adhesion to PA 6.62 2.0 (D) N/mm VDI 2019 two-component injection molding
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.
All values published in this data sheet are rounded average values.
The product storage life is 12 months after delivery if storage instructions are followed. Store under 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 PA 6: 230 - 250 - 260 °C , max. 270 °C (450 - 480 - 500 °F, max. 520 °F) PA 6.6: 245 - 260 - 270 °C , max. 280 °C (470 - 500 - 520 °F, max. 540 °F)
Hotrunner Hot runner temperatures: PA6 max. 270 °C (520 °F); PA6.6 280 °C (540 °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 To achieve optimum mechanical values, drying the material for 2 - 4 hours at 60 - 80 °C (140 - 175 °F) is recommended.
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 product storage life is 12 months after delivery if storage instructions are followed. Store under dry conditions at room temperature (15–30 °C) away from heat sources and direct sunlight! Contact with nitrogen oxides must be avoided during storage!