Série PPG de polipropilenoglicol
Specification outlook(25℃) Colour Pt-Co Hydroxyl value mgKOH/g Molecular weight Freezing point °C Water(100%0 pH value (1% aqueous solution) PPG-200 Colorless transparent oily viscous liquid ≤20 510~623 180~220 ≤0.5 ≤0.5 5.0~7.0 PPG-400 Colorless transparent oily…