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Densification

Suffix -3 for semiconductor grades that end in the number 1; and -1 for other grades (industrial)
Effect Reduces open porosity by 80%
Summary Graphite has tiny voids (pores), which may link to the surface (open porosity), or be isolated (closed porosity). Densification partially fills the open pores with pure carbon, reducing the average pore size and open porosity. This produces a graphite with very low permeability
Physical Properties Not affected
Application Can be applied to bulk material
Does not affect dimensions