CONDENSATION SILICONE

• Hydrophobic
• Poor wetting
• Low stability
• Limited shelf life
• Catalyst – tin
• Byproduct – C2H2O4 (ethyl / methyl alcohol) – large byproduct  high polymerization shrinkage
  – highest dimensional change, therefore least preferred imp material
• Just economical
• Wear vinyl gloves only
• Wait for 20-30mins before pouring - for stress relaxation