Several different specifications of the technical indicators of span
Publish Time: 2023-07-26 Origin: Site
Technical indicators of several different specifications:
Specifications/appearance (25 ℃)/hydroxyl value (mgKOH/g)/saponification value (mgKOH/g)/acid value (mgKOH/g)/water portion (%)/HLB value, melting point (℃)
Span 20:
Amber viscous liquid /330 ~ 360/160 ~ 175/≤ 8/≤ 1.5/8.6/ liquid (25 ℃)
Span 40:
Yellowish waxy solid /255 ~ 290/140 ~ 150/≤ 8/≤ 1.5/6.7/45 ~ 47
Span 60:
Yellowish waxy solid /240 ~ 270/135 ~ 155/≤ 8/≤ 1.5/4.7/52 ~ 54
Span 80:
Amber thick oil /193 ~ 210/145 ~ 160/≤ 8/≤ 2.0/4.3/ liquid (25 ℃)
Span 85:
Yellow oily liquid /60 ~ 80/165 ~ 185/≤ 15/≤ 1.5/1.8/ liquid (25 ℃)