rosin for light yellow to yellow red transparent solid, softening point of 70 ~ 90 ℃,
specific gravity of 1.070 ~ 1.085, the RongXieRe: 15.8 kcal/kg, the heat capacity:
0.54 kcal/kg · ℃, the coefficient of thermal conductivity: 0.11 kcal/m · h · ℃, the volume
resistivity: 5 x 1016 Ω cm, flash point: 216 ℃. Rosin also has crystallization properties,
easy to produce the crystallization phenomenon, in acetone, etc will have crystallization
trend, crystallization critical temperature of about 100 ℃, crystallization 110 ~ 135 ℃ rosin
melting point, and it is very difficult to be saponification.
specific gravity of 1.070 ~ 1.085, the RongXieRe: 15.8 kcal/kg, the heat capacity:
0.54 kcal/kg · ℃, the coefficient of thermal conductivity: 0.11 kcal/m · h · ℃, the volume
resistivity: 5 x 1016 Ω cm, flash point: 216 ℃. Rosin also has crystallization properties,
easy to produce the crystallization phenomenon, in acetone, etc will have crystallization
trend, crystallization critical temperature of about 100 ℃, crystallization 110 ~ 135 ℃ rosin
melting point, and it is very difficult to be saponification.