ZA 8 LT (8 ShA)


ZA 8 LT is a bi-component addition cured RTV silicone rubber which vulcanizes at room temperature. Translucent. Due to considerable fluidity it is recommended for the duplication of models with accentuated undercuts.
Compatible with all plasters, coatings, polyurethane resins and acrylic resins.

Main application sectors

  • Mechanical due to ita high deadening power
  • Electronic due to its good resistance to high temperatures
  • Tampography due to its high mechanical resistance and excellent ink transfer property
  • Mouldmaking due to its considerable precision in reproduction and high dimensional stability
  • Podology due to its softness

Properties

  • High chemical resistance to the aggressive components of some types of resin
  • High level of accuracy in reproduction
  • High dimensional stability over time
  • Considerable resistance to high temperatures and to ageing
  • Excellent non-stick effect

Chemical and physical characteristics

 Metric systemUSA system
Mixing ratio1 : 1 -
Viscosity of the mix pre-catalisation900 - 1100 cP -
Mixing time at 23 °C (73 °F)1' -
Working time at 23 °C (73 °F)15’ - 18’ -
Setting time at 23 °C (73 °F)2h -
Hardness Shore-A after 24 hours8 ± 2 ShA -
Tensile strenght1.5 N/mm² 218 psi
Elongation at break280% -
Tear resistance (Die B)   3.0 ± 0.5 N/mm17 ± 3 ppi
Tear resistance (Die C)3.0 ± 0.5 N/mm17 ± 3 ppi
The preparation is not considered dangerous according to Directive 67/548/EEC and subsequent amendments.

Conservation

The ZA 8 LT is guaranteed for a period of 18 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.

Packaging

DT230511 kg + 1 kg
DT230525 kg + 5 kg
DT2305325 kg + 25 kg

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Tel. +39 0425 597611 - Fax. +39 0425 53596 - Email web@zhermack.com
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