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FR4
*STOCKED

Epoxy/Glass

GSFR4 is constructed from a woven glass fabric with an epoxy resin binder. The epoxy resin system is flame retardant and typically contains bromine on the epoxy resin backbone. GSFR4 exhibits extremely high mechanical strength (flexural, impact, and bonding) at room temperature and has good dielectric loss and electric strength properties under both dry and humid conditions. 

  • NEMA FR-4

  • ASTM Grade FR-4

  • MIL-I-24768/27 Type GEE-F

From:

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GSC
*STOCKED

Phenolic/Cotton

GSC is mechanical grade constructed from a woven cotton fabric with a phenolic resin binder. GSC is intended for mechanical applications requiring high impact strength. Applications include gears and bearings. It has lower mechanical strength than materials with glass substrates, but has superior impact resistance when compared to paper based products.

  • NEMA C

  • ASTM Grade C

  • MIL-I-24768/16 Type FBM

From:

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GSLE

Phenolic/Cotton

GSLE is an electrical grade constructed from a woven cotton fabric that weighs less than or equal to 4 ounces per square yard with a phenolic resin binder.

  • NEMA LE

  • ASTM Grade LE

  • MIL-I-24768/13 Type FBE

From:

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G10

Epoxy/Glass

GSG10 is constructed from a woven glass fabric with an epoxy resin binder. This grade is not manufactured for a brominated epoxy resin and is not flame-retardant.

  • NEMA G-10

  • ASTM Grade G-10

  • MIL-I-24768/2 Type GEE

From:

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GSCE
*STOCKED

Phenolic/Cotton

GSCE is a general purpose grade constructed from a woven cotton fabric with a phenolic resin binder. GSCE is intended for mechanical applications requiring high impact strength. Applications include gears and bearings. It has lower mechanical strength than materials with glass substrates, but has superior impact resistance when compared to paper based products.

 

  • NEMA CE

  • ASTM Grade CE

  • MIL-I-24768/14 Type FBG

From:

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G11

Epoxy/Glass

GSG11 is constructed from a woven glass fabric with an epoxy resin binder. The epoxy resin system is not flame retardant but has greater temperature resistance than G-10.

  • NEMA G-11

  • ASTM Grade G-11

  • MIL-I-24768/3 Type GEB

From:

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GSL

Phenolic/Cotton

GSL is a machine-able grade constructed from a woven cotton fabric that weighs less than or equal to 4 ounces per square yard with a phenolic resin binder.

  • NEMA L

  • ASTM Grade L

  • MIL-I-24768/15 Type FBI

From:

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