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Glass Forming Graphite Grades

Optimally match the smart glass the molds are being used for

Our GLASSMATE® materials are produced using a proprietary process that enhances material properties, surpassing that of traditional graphites.The properties of these grades have been developed to optimally match the smart glass the molds are being used for. Our materials improve cost of ownership, increase yield, and reduce operational expenses.

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  • Process
GF-LT Graphite
GF-LT Graphite
GF-LT Graphite
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)
GF Graphite
GF Graphite
GF Graphite
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)
Related Product Categories
Premium Graphite Components

Our graphite is tightly controlled to produce materials that have a uniform microstructure and the right balance of strength, grain size and hardness to offer optimum performance for your intended applications.
GLASSMATE® Components

To view our complete portfolio of premium graphite components we will redirect you to Entegris' POCO Materials web site.

poco.entegris.com.
Graphite Processing Options

Our graphite materials can be purified to less than 5 ppm, densified to reduce open porosity by as much as 80%, or impregnated with resins, oxidation inhibitors or metals. Surface treatments and coatings are available to provide a sealed surface, to improve wear characteristics or to reduce particles.
Graphite Grades

We manufacture a wide range of POCO graphite materials as well as offer post processing options to meet the demanding requirements of today’s challenging industries. We can help you choose the right graphite and determine the need for post processing based on your application. Our team can also provide quotes for custom machined components.
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