skybon es-amp-403 saturated polyester resin trial product
performance parameters unit amp-403 amp-501 appearance – particles film status molecular weight g/mole 10,000 15,000 viscosity dl /g 0.45 0.56 glass transition temperature degree c 40 14 softening point (℃) degree c 120 90 acid value koh mg/g < 3 < 3 oh value koh mg/g 7 -10 3 -6 application step ⅰ step ⅱ…

