Graphite Gasketing Sheet

Composition

High-purity expanded mineral graphite Industrial Grade with tanged or smooth SS316L sheet if required by the style.

Characteristics

The expanded mineral graphite Planigraph™ meets the requirements of the latest update of the EU directive 2011/65/EC (RoHS). This type of gasket ensures a reliable and durable sealing, making it an ideal option for all industrial applications, from the simplest to the most demanding.

Applications

Expanded mineral graphite is also known for its chemical resistance, making it suitable for applications involving almost all fluids except for oxidants. In addition, expanded mineral graphite gaskets can be easily cut and shaped to fit the specific needs of the application. Thanks to its high thermal resistance, expanded mineral graphite can withstand high temperatures without damage or deformation, ensuring a reliable and safe sealing.

Graphite Gasketing Sheet
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Planigraph™ Graphite Gasketing Sheet
Feature UM LG LGR LGRF LGRHDI
Graphite density gr/cm3 1.0 1.0 1.0 1.0
Carbon Content % ≥ 98.0 ≥ 98.0 ≥ 98.0 ≥ 98.0
Ash Content % < 2.0 < 2.0 < 2.0 < 2.0
Sulphur Content ppm ≤ 1000 ≤ 1000 ≤ 1000 ≤ 1000
Halogen Content ppm ≤ 200 ≤ 200 ≤ 200 ≤ 200
Tensile Strenght MPa ≥ 4.0 ≥ 4.0 ≥ 4.0 ≥ 4.0
Compression ratio % 40 - 50 40 - 50 35 - 55 25 - 35
Recovery % > 7 > 7 ≥ 9.0 > 15
Relaxation stress 16h, 300°C, initial stress 50 N/mm2 N/mm2 > 45 > 45 > 45 > 45
Maximum assembly load RT N/mm2 40 60 140 200
Temperature range service °C -200 / 550 -200 / 550 -200 / 550 -200 / 550
Maximum operating pressure bar 40 75 100 200

 

 

Size 1.000 x 1.000
1.500 x 1.500		 40” x 40”
60” x 60”
Thickness 1.0 ÷ 3.0 1/32” ÷ 1/8”