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