Index name Index Appearance Colorless or light yellow transparent thick fluid Color (Gardner) 3 P W% 3.8 Acidity mgKOH/ g 0.1 Refractive index 1.523-1.528 Viscosity 25Pas 2.5-5.0 Density 25g/ cm3 0.980-0.992 Remark: we can produce.....