PROPERTIES UNITS TEST METHOD AVERAGE TEST RESULTS CYL-50H CYL-75 CYL-50C Specific Gravity --- IS: 10192-1982 1.7 (Min) 1.7 (Min) 1.7 (Min) Glass Content   % BS: 2782 70 (Min) 70 (Min) 65 (Min) Water Absorption   % IS: 1998-1962 0.2 (Max) 0.2 (Max) 0.2 (Min) Compression Strength  Axial Circumferential   MPa MPa ASTM D 695-80 80 (Min) 300 (Min) 110(Min) 110(Min) 80 (Min) 300 (Min) Tensile Strength (Axial)   ASTM D 638-01 45 (Min) 130 (Min) 45 (Min) Dielectric Strength in Oil at90°C (Proof voltage for 1 minute) Axial  Circumferential  Radial  O<5 mm Wall thickness    >5 mm Wall thickness   KV/25mm KV/25mm KV/mm KV/mm IS: 1998-1962 50 (Min) 50 (Min) 10 (Min) 7  (Min) 75 (Min) 75 (Min) 10 (Min) 7 (Min) 50 (Min) 50 (Min) 10 (Min) 7 (Min) Dielectric Constant ---- ASTM D150-98 10 (Max) 10 (Max) 10 (Max) Dissipation Factor ---- ASTM D150-98 0.025 (Max) 0.025 (Max) 0.025 (Max) Insulation Resistance   Ohms IS: 1998-1962 10" (Min) 10" (Min) 10" (Min) Comparative Tracking Index   ---- IEC 112-79 300 (Min) 600 (Min) 300 (Min) Marten Heat Distortion Temp.   °C IS: 1998-1962 155(Min) Class F Insulation 155(Min) Class F Insulation 90 (Min) Class A Insulation