POLYETHER

• Hydrophilic
• No catalyst
• No dimensional change
• But not the best impression material because it's hydrophilic meaning it gets stuck to the oral mucosa & skin. Can absorb water, therefore least compatible
• Difficult to remove from patients’ mouth
• Highly rigid, with a high modulus of elasticity
• Stiff
• Dimensionally stable
• Most preferred in………
• Can be used in epoxy resin dye-making – advantage