Rosin for light yellow to yellow red transparent solid, softening point , a proportion of 70 to 90 1.070 ~ 1.085, RongXieRe: 15.8 kcal/kg, heat capacity: 0.54 kcal/kgdegrees, , coefficient of thermal conductivity: kcal/m 0.11, h. degrees, volume resistivity: 5 x 1016 Ω cm, flash point: 216degrees . Rosin also has crystallization properties, easy to produce the crystallization phenomenon, in acetone, etc will have crystallization trend, crystallization critical temperature of about 100 degrees, crystallization rosin melting point  degrees110 ~ 135, and it is very difficult to be saponification. In addition, rosin also has rotatory sex, flux than spin value control in 0 ~ 15 ° between (best points + 7 °) which is no crystallization phenomena and crystallization trend of the lowest rosin.
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