ZA 22

£42.12

Product information

ZA 22 MOULD is a bi-component addition cured RTV silicone rubber which vulcanizes at room temperature. Because of its considerable fluidity, it is recommended for the duplication of models with many undercuts.

Main application sectors

  • Mouldmaking and model-making due to its considerable precision in reproduction, high dimensional stability and high mechanical resistance
  • Artistic ceramics due to its high dimensional stability, considerable fluidity and good mechanical resistance
  • Concrete moulding 

Chemical and physical characteristics

Metric system USA system
Mixing ratio 1 : 1 -
Viscosity of the mix pre-catalisation 4000 ± 300 cP -
Mixing time at 23 °C (73 °F) 1' -
Working time at 23 °C (73 °F) 14’ - 17’ -
Setting time at 23 °C (73 °F) 1 h -
Hardness Shore-A after 24 hours 21 ± 2 ShA -
Tensile strenght 4.0 ± 0.2 N/mm² 581 ± 29 psi
Elongation at break 380 ± 20% -
Tear resistance (Die B)    20 ± 1 N/mm 113 ± 6 ppi
Tear resistance (Die C) 12 ± 1 N/mm 68 ± 6 ppi

Technical specifications

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