Glass Forming Graphite Grades


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  • Process
GF-LT graphite offers the same attributes as GLASSMATE® GF plus improved wear and erosion resistance. The higher hardness of this material provides superior polishing capabilities to a very high-gloss surface finish.
Shore Hardness
  • 96
Apparent Density, g/cm3 (lb/in3)
  • 1.77 (0.064)
Coefficient of Thermal Expansion, µm/m °C (µin/in °F)
  • 8.5 (4.7)
Compressive Strength, MPa (psi)
  • 155 (22
  • 500)
GLASSMATE® GF is the base grade of glass forming materials with high strength and durability for glass forming applications. GF materials provide higher product yield through improved glass surface finishes and a match to high CTE glass products.
Shore Hardness
  • 74
Apparent Density, g/cm3 (lb/in3)
  • 1.74 (0.063)
Coefficient of Thermal Expansion, µm/m °C (µin/in °F)
  • 8.1 (4.5)
Compressive Strength, MPa (psi)
  • 130 (18,800)
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