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Ã÷Ô翼ÊÔ¡£¡£¡£ HDI-Biurete and a polyester 800g/mole with f=2.4 is made into a clear coating. Assuming a need for a 5% Eq Wt excess of the isocyanate. What is the amount of isocyanate and polyol need to make 1200 g of coating which is 66.66% solids by weitht? |
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