Parameters for the polyurethane (PU) fabric depends on the end use of the fabric. I mean which product you intend to make with PU fabric. You have mentioned Mumbai climate. I am not familiar with Mumbai climate. Rough guess are looking for parameters for water proof but air breathable fabric?
- Fabric Thickness,
- Fabric weight (GSM),
- Air permeability and Air breathable,
- Flame retardant,
- Crease recovery
- Drape coefficient
- Water repellency
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