G5/G9 Glass Reinforced Melamine - natural(grayish
brown) Technical Data Sheet
This grade is composed of a continuous glass woven cloth base impregnated with a
melamine resin binder. Melamines are the hardest of all laminates, exhibiting
good dimensional stability and arc resistance. It is also caustic resistant. NEMA G-5 certs to MIL-I-24768/8 GMG , IEC 60893-3 Type 3 MF GC 201
NEMA G-9 certs to MIL-I-24768/1 GME, IEC 60893-3 Type 3 MF GC 201
NEMA grades G5 and G9 Glass-Cloth Reinforced Melamine --
natural color is typically a grayish brown. These grades are composed of a
continuous glass woven cloth base impregnated with a melamine resin binder.
(Melamine resins, once cured, are the hardest, most rigid and abrasion resistant
of the standard resins employed in the production of industrial laminates.
However, prolonged exposure to high temperature can adversely affect its
mechanical and electrical strength properties. Arc resistance, however, may
remain unaffected despite excessive thermal exposure.) Melamines are the hardest
of laminates, exhibiting good dimensional stability and arc resistance. It's
also caustic resistant. A key difference between NEMA Grades G5 and G9 are that
G9 is more resistant to the elements of the environment. Thus, G9 can be safely
substituted where G5 is called for.
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