RT509F - Melamine Glass Tube

RT509F has good electrical properties under humid conditions and excellent arc resistance. The “F” version is made from a fine weave fabric. Typical applications include fuse tubes and switchboard insulation. RT509F also complies with MIL-I-24768/1, Type GME and ASTM D709 Type IV Grade G-9 and IEC 61212-3-1-MFGC 21.

  • ASTM D709 Type IV Grade G-9
  • NEMA LI 1-1998 Grade G-9
  • MIL-I-24768/1 Type GME
  • IEC 61212-3-1 MF GC 21
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