Dumet Wire, Glass-to-Metal Seal, 0.35mm (.014") x 50'

  • Item # 5
  • W-DU-014-50
  • 0.095kgs
  • 22 units in stock
  • Manufactured by: JLC Electromet Pvt. Ltd


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One 50' spool of glass-to-metal sealing Dumet wire. Wire is cleaned, ready to use and furnished on a 2" plastic spool.

Dumet wire is composed of a nickel-iron core in an oxygen-free copper sheath and it forms a vacuum-tight glass-to-metal seal against soda-lime and lead glasses.

  • Material: Dumet (Nickel-Iron, Copper)
  • Diameter: 0.35mm ±.01 (0.014" ±.0004)
  • Length: 50' (15m) min.
  • Net Weight: 13.5g
  • Finish: Borated
  • Sheath Composition: Cu 99.96% min. with 0.00% Oxygen
  • Core Composition:
    .05% max
    1.0% max
    .30% max
    .02% max
    .02% max

Storage: Dumet wire should be stored away from moisture.

Cleaning: Prior to assembly / beading, Dumet wire that has been handled can be cleaned chemically in deionized water with 60% formic acid and 10% hydrogen peroxide. The copper surface must be smooth and free of scratches (if needed the surface may be re-polished using a suspension of fine alumina powder in distilled water).

Dumet wire section micrograph

Product is available since 06/21/2010

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