... 1.4 g/cm3, refractive index of 1.544 (20 C), water absorption ≤ 0.5 %. indissolve in water, alcohol, gasoline, can ... ether, ketones, chlorinated aliphatic hydrocarbons and aromatic hydrocarbons. Under 20 C, there is a strong acid-resistance, can be resistant to ... .00.063mm sieve≥ 90Number of grain piece , number/400cm2≤ 40100g resin plasticizer absorbency, g≥ 15White degree(160C After 10min.), %≥ 75 3 ...