Parylene P35

Parylene coating system

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Parylene is the short designation of the polymer group of poly(para-xylylenes). The polymers consist of different substituted para-xylylenes. The original basis for coating are dimers. This is a molecular compound consisting of two identical sub-units, the so-called monomers.

Properties and benefits:

Parylene coatings offer a large number of benefits. Parylenes...

  • are completely conformal, i.e. they adapt even to complex substrate contours such as sharp edges, bore holes or blind holes
  • are pinhole-free already from coat thicknesses of approx. 0.5 µm
  • are chemically insoluble and resistant against a large number of chemicals
  • have very good barrier properties against moisture and chemicals
  • have a high dielectric strength
  • have dry lubricating properties (low coefficient of friction)
  • are hydrophobic: wetting angle for H2O between 92° and 98°
  • are transparent between 90 and 96 % in the visible wavelength range (depending on type)
  • are biocompatible: parylenes of the types C and N can be separated which can be certified to USP Class VI, ISO 10993 and FDA.

Technical data

Coating substance

  • Parylene N, C, D, F-VT4, F-AF4

Possible coat thicknesses

  • 0.05 to 50 micrometers

Dimensions

  • Width approx. 2100 mm
  • Depth approx. 1400 mm
  • Height approx. 2000 mm

Pyrolysis

  • 2 kW / max 850 °C

Chamber

  • Diameter: 250 mm
  • Height: 450 mm
  • Volume approx. 35 liter

Parts Pickup

Carousel

  • Diameter: 220 mm
  • Height approx.: 400 mm

Cryo trap

  • Liquid nitrogen
    alternatively: electromechanical cooler

Pump system

  • Two-stage rotary vane pump
    alternatively: dry runner
    Suction power 25 m3/h
    Final pressure 1 x 103 mbar

Control

  • PC- control (Windows 10 IoT)

Exhaust air

  • 25 mm tube

Power Supply

  • 400 V / 32 A / 50-60 Hz

Compressed air

  • 5-6 bar dry and oil-free

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