Polyurethane
Polyurethanes are one of the examples of polymer which generally used in the construction of blood-contacting devices.
- High strength and strength against flexure,
- Thrombosis resistance
- Good permeability
- Good solubility
- Transparent
- Excellent in mechanical resistance
Alumina
Alumina (Al2O3) is classified as ceramics that provide various advantage when compare to other biomaterials.
- Bioinert material which does not undergo chemical reaction with cells
- Chemically stable against most corrosive environments
- Extremely high in strength
- Strong in scratch resistance as it is extremely hard
- Wear resistance
- Good friction and wet ability
- Hard
- Economic
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