HT 45 Transparent (45 ShA)

HT 45 TRANSPARENT is a bicomponent (base and catalyst) addition RTV silicone rubber that vulcanizes at room temperature.

Main application sectors

  • Mould-making and concrete moulding (for its remarkable reproduction accuracy, high dimensional stability and high mechanical strength)
  • Silk-screen printing on ceramic (for its remarkable reproduction accuracy, high mechanical strength and the excellent laser incision capability)
  • Jewellery making

Properties

  • High chemical resistance to the aggressive components of some types of resin
  • Extremely high tear strength (this feature guarantees high resistance to wear and tear)
  • High accuracy in reproducing very small details remarkable fluidity
  • High dimensional stability in time and indeformability
  • Remarkable resistance to high temperatures and aging
  • Excellent anti-stick effect

Chemical and physical characteristics

  Metric system USA system
Mixing ratio 1 : 1  
Viscosity
8500 cP  
Working time at 23 °C (73 °F) 10min – 12min  
Setting time at 23 °C (73 °F) 1h00min - 1h30min  
Shore A hardness after 24 hours 43 ± 3  
Tensil strenght 3.5 ± 0.5 N/mm2 508 ± 73 ppi
Elongation at break 370
 
Tear strength 19±2.0 N/mm 108 ± 11 ppi
Density 1.12 g/cc  
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