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Products Center >>Sealing Sheet

S-301 Flexible graphite roll

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



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