Planigraph™ Premium LGRP

Composition

  • High-purity expanded mineral graphite Premium Grade with corrosion inhibitor and oxidation retardant with smooth sheet SS316L Th. 0.05 mm 

Characteristics

The expanded mineral graphite of Planigraph™ Premium LGRP in these graphite gaskets meets the requirements of the latest update of the EU directive 2011/65/EC (RoHS) and complies with the requirements of the oxidation test EN 14772 section 6.7. 

Applications

Expanded mineral graphite is also known for its chemical resistance, making it suitable for applications involving almost all fluids except for oxidants. 

Planigraph™ Premium LGRP
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Planigraph™ Premium LGRP
Graphite density gr/cm3 >1.0
Carbon Content % ≥ 99.0
Ash Content % < 1.0
Sulphur Content (before inhibitiors addition) ppm ≤ 100
Chloride Content (after inhibitiors addition) ppm ≤25
Fluoride Content (after inhibitiors addition) ppm ≤25
Halogen Content (after inhibitiors addition) ppm ≤100
Thermal Weight Loss 670°C/h % ≤ 4.0
Tensile Strenght MPa ≥ 4.0
Inhibitor of oxidation and corrosion  -  Yes
Reinforcing steel sheet AISI 316L
Thickness steel sheet mm 0.05
Compressibility % 40 - 50
Recovery % > 12
Relaxation stress 16h, 300°C, initial stress 50 N/mm2 - DIN 52913 N/mm2 > 45
Temperature max with steam °C  550
Temperature max with weak oxidants °C  450
Temperature min cryo °C -196
Maximum assembly load RT N/mm2 60
Maximum operating pressure bar 75

 

Size 1.500 x 1.500 60” x 60”
Thickness 1,5 ÷ 3.0 1/16” ÷ 1/8"