Specification Gilsonite Resin GP Grade Typical Properties Softening Point (ASTM E28-92) Ash (ASTM D271-70M)Moisture (AGC Method)Penetration (25°C, 100 gm, 5 sec.)Specific GravityColor in MassFlash Point (COC)Sulfur 166-177°C330-350°F<=3.0%<=1.0%01.06Black316ºC; 600ºF0.3% Typical Particle Sizing (ASTM E11-70) % Retained (Cumulative) Pulverized + 10 mesh+ 35 mesh+ 65 mesh+ 100 mesh+ 200 mesh —0<=1<=5<=25 Well Cleanup […]