RT628 - Phenolic Paper Tube

Grade RT628 is an improved machining grade meeting NEMA XX for tubes. It has low moisture absorption and good dimensional stability. Typical applications are as a replacement for RT629 where improved machining characteristics are needed. The primary application is in transformers. Certification to IEC standard is pending.

  • NEMA LI 1-1998 Grade XX
  • MIL-I-24768/11 Type PBG
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