How to Calculate NCO:OH Ratio and Polyisocyanate Hardener Demand in 2K Waterborne PU
Jul 24, 2026
How to Calculate NCO:OH Ratio and Polyisocyanate Hardener Demand in 2K Waterborne PU
There is no fixed mix ratio printed on a drum of acrylic polyol. The correct hardener charge is calculated from your resin's hydroxyl content, your hardener's N
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