Products Details

HT 33 Red (33 ShA)


HT 33 RED is a bi-component addition cured RTV silicone rubber which vulcanises at room temperature.
Compatible with all plasters, coatings, polyurethane resins and acrylic resins.

Main application sectors

  • Mould making and model-making due to its considerable precision in reproduction,  high dimensional stability and mechanical resistance
  • Ceramic serigraphy due to its considerable precision in reproduction and  excellent laser cutting characteristic

Properties

  • High chemical resistance to the aggressive components of some types of resin
  • Good resistance to laceration (high resistance to wear and tear)
  • Considerable accuracy in the reproduction of very small details
  • High dimensional stability over time and non-deformability
  • Considerable resistance to high temperatures and to ageing
  •  Excellent non-stick effect

Chemical and physical characteristics

  Metric system USA system
Mixing ratio 1 : 1 -
Viscosity of the mix pre-catalisation
 7000 - 8000 cP -
Density Base
 1.095 g/cc
 -
Density Catalyst 1.090 g/cc -
Working time at 23 °C (73 °F) 20’ - 22’ -
Setting time at 23 °C (73 °F) 3h -
Hardness Shore-A after 24 hours 33 ± 2 ShA -
Tensile strenght
 4.7 N/mm² 682 ± 29 psi
Elongation at break
 430% -
Tear resistance (Die B)    16 ± 2 N/mm 91 ± 11 ppi
Tear resistance (Die C) 13 ± 2 N/mm 74 ± 11 ppi
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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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