Planigraph™ LGPC

Composition

Graphite gaskets for flanges in low pressure services.

Characteristics

Pure flexible graphite C > 98.00 % covered on both side with 2 special polimeric films. Planigraph ™ LGPC pure graphite flat gaskets are excellent substitutes of CSF gaskets - Compressed Synthetic Fibers - thanks to their smaller creep and for their moderate sensitivity to the thermal cycles.

Applications

Planigraph™ LGPC pure graphite gaskets are great for sealing flanges in low pressure services. The pure graphite has moderate tensile strength and it is therefore always recommended to use thin thicknesses, from 1.0 to 1.5 mm, for a perfect seal. These gaskets are also available in the style Metalbond LGPC thicknesses 2.0 and 3.0 mm with stainless steel inner eyelet which are suitable for application intended in contact with food applications. 

Planigraph™ LGPC
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 Planigraph™ LGPC
Graphite density gr/cm3 1.0
Carbon Content % > 98.0
Ash Content % < 2.0
Compressibility % 40 - 50
Recovery % 3 - 5
Gas Permeability DIN 3535 cm3/min < 0.6
Relaxation stress DIN 52913 N/mm2 > 45
Temperature max with steam °C 450
Temperature max with weak oxidants °C 450
Temperature min cryo °C -196
Maximum assembly load RT N/mm2 40
Maximum operating pressure bar 40
Size 1000 x 1000
1500 x 15000		 40" X 40"
60" x 60"
Thickness 0.5 ÷ 3.0 1/64” ÷ 1/8"