Nuclear Grade Flexible Graphite Sheet 

Technical data:

Project	Nuclear Grade I	Nuclear Grade II	Nuclear Grade Ⅲ
Tolerance of density ( g/cm3 )	±0.03	±0.03	±0.03
Tolerance of thickness(mm)	±0.03	±0.03	±0.03
Carbon Content ( % )	≥99.5	≥99.4	≥99.3
Tensile Strength ( Mpa )	≥5	≥4.8	≥4.6
Compressibility( % )	≥50	≥50	≥50
Recovery( % )	≥12	≥11	≥11
Sulphur Content( PPm )	<100	<200	<500
Chlorine Content( PPm )	<20	<25	<30
Stress relaxation( % )	10	10	10
lgnition Loss( % )	<0.5	<0.1	<0.1

Features:
Flexible graphite sheet (nuclear grade) is molded or rolled into shape by high quality flake graphite with through after chemical and high temperature treatments without any binder. In harsh working conditions, it still has good sealing performance,long service life and low maintenance costs.