... agent LY-3501 is widely used in high-density wood-imitation piping ect, BLEND POLYOL 141B SERIESINDEXPROFILEOH(mgKOH/g) ... keeping ,cooling-storage container,onsite coating construction,high-density wood imitation.piping.beer-tank temperature keeping and all kind of ... energy temperature keeping on site coating construction high density wood imitation piping beer tank temperature keeping and all kinds of ...