ZC P20 (20 ShA)

ZC P20 is a bi-component condensation cured RTV silicone rubber which vulcanizes at room temperature. ZC P20 is a non-pourable putty with a tin catalyst.


  • Excellent non-stick effect
  • Absolute skin compatibility
  • Vulcanized product easy to work with the grinding wheel

Chemical and physical characteristics

Colour of the cured rubberPink
Mixing ratio
12% Indurent Liquid
Working time at 23°C (73°F)1' - 1'20''
Setting time at 35 °C4' - 5'
Hardness after 8'
16 ± 2 ShA
Hardness after 1h22 ± 2 ShA

Dosage and mixing

The percentage of catalyst to use in the silicone paste is approximately 3%.
A higher quantity reduces the vulcanisation time, a lower quantity increases it.
Manipulate and adapt the product with the aim of creating an orthesis.
Hardening occurs in about 7 minutes (at 35° C) from the start of mixing.

Safety Data Sheet

The preparation is not considered dangerous according to Directive 67/548/EEC and subsequent amendments.


The ZC P20 is guaranteed for a period of 24 months if correctly conserved between 5° - 27°C (41° - 80°F). Close the bottles after use, do not invert the caps or the lids between base and catalyst.

Important observations

The advice given verbally, in writing or through demonstration on how to use the product is based on our knowledge. The use and application by the user occurs without the Company having the possibility to check and therefore remain the responsibility of the user.


500 g, putty
2 phials each containing 10ml of tin catalyst

© Zhermack SpA - All rights reserved - Via Bovazecchino, 100 45021 Badia Polesine (RO), Italy
Tel. +39 0425 597611 - Fax. +39 0425 53596 - Email web@zhermack.com
P.IVA 00594630295 - C.F. P.IVA IT00594630295 - R.E.A. 86603 - R.I. RO 00594630295 - M. RO 001381Isc. Reg. A.E.E. IT07111000002 - Cap. Soc. € 1.032.000,00

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