K-Series applying in the Polyurethane reaction are hydroxyl terminated Polyester diols made from Adipic acid and several glycols and used as base materials of synthetic leather, paint, sole, elastomer etc.
Product Molecular
weight
(g/mole)
OH Value
(mgKOH/g)
Acid value
(mgKOH/g)
Viscosity
(60℃/cps)
Moisture
(%)
Color
(APHA No.)
Component
K - 240 1,000 - ± 5% 112.20 - ± 5% < 0.5 About 420  < 0.03 < 50 AA/1,4BG
K - 250 2,000 - ± 5% 56.10 - ± 5% < 0.5 About 1,300 < 0.03 < 50 AA/DEG
K - 300 2,000 - ± 5% 56.10 - ± 5% < 0.5 About 1,400 < 0.03 < 50 AA/EG
K - 320 2,000 - ± 5% 56.10 - ± 5% < 0.5 About 1,740 < 0.03 < 50 AA/1,4BG
K - 340L 1,500 - ± 5% 74.80 -  ± 5% < 0.5 About 600  < 0.03 < 50 AA/EG/1,4BG
K - 340H 2,000 - ± 5% 56.10 -  ± 5% < 0.5 About 1,550 < 0.03 < 50 AA/EG/1,4BG
K - 350M 2,200 - ± 5% 51.00 -  ± 5% < 0.5 About 2,300 < 0.03 < 50 AA/1.3PDO
K - 360L 1,410 - ± 5% 79.57 -  ± 5% < 0.5 About 730  < 0.03 < 50 AA/EG/DEG
K - 360H 2,00 - ± 5% 56.10 -  ± 5% < 0.5 About 1,380 < 0.03 < 50 AA/EG/DEG
K - 400L 2,000 - ± 5% 56.10 - ± 5% < 0.5 About 3,000 < 0.03 < 100 AA/NPG
K - 480 2,250 - ± 5% 49.87 - ± 5% < 0.5 About 2,700 < 0.03 < 50 AA/1,6HG
K - 2208 2,000 - ± 5% 56,10 -  ± 5% < 0.5 About 1800 < 0.03 < 50 AA/1,4BG/1,6HG
PE - 2000MP 2,000 - ± 5% 56.10 -  ± 5% < 0.5 About 1,150 < 0.03 < 50 AA/MPD
K - P320 335 - ± 1.5% 335 -  ± 1.5% 1.5 ~ 1.99 1,900 ~ 2,400
      (25ºC)
< 0.05 < 100 PA/DEG
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