flexible graphite sheet

MATERIALS: 3299 599 scale graphite
TEMPERATURE: -200～2000°C(in non-oxidate almosphere)
PRESSURE: 25MPa
MAIN USES: Cutting plate material and cutting pure graphite spacer to make washer to improve the sealing function.
SPECIFICATIONS: Thickness: 0.2-0.8mm, WidenessxLength: 700x20000mm, 1000x200000mm, 1500x20000mm
Main Technical Specificity of Flexible Graphite Roll & Sheet


Item
Grade A
Grade B
Grade C
Grade D

Carbon Content (%)
99
99
99
98

Chloride Content (ppm)
≤35
≤40
≤45
≤50

Tensile Strength (Mpa)
≥5.0
≥4.5
≥4.0
≥4.0

Tolerance of Density (g/cm3)
±0.05
±0.05
±0.06
±0.07

Tolerance of Thickness (mm)
<1.0mm±0.03; 1.0-1.5mm±0.05; >1.5mm±0.1

Compressibility (%)
≥40 (when density is 1.0g/cm3)

Resilient Rate (%)
≥20 (when density is 1.0g/cm3)

Loss of Ignition (%)
≤7 (under 450°C, burnt 3 hours)
≤18 (under 600°C, burnt 3 hours)

Creep Relaxation Rate (%)
≤22

Weight Increase Rate (%)
≤20 (in Diesel oil)
≤20 (in Lubricant)
≤20 (in Gasoline)

Seal Ability
0.05%ml/hr



Specification of Flexible Graphite Roll & Sheet:

Thickness (mm)
Width (mm)
Length (m)
Density (g/cm3)

Roll
Sheet
100-1500
50-200
0.7-1.5