Polyurethane systems produced in two groups as polyether and polyesther and used to provide comfort inside the shoe.
- Mix proportion: ISO/POLI 0.30-0.50
- Creaming time: 6-10
- Non-sticking time: 45-60
- Mould open time: 02:00-03:00
- Hardness: ShA –
- Free rise density: kg/m3 80-100
- Mould density: kg/m3 170-300
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