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3M Glass Cloth Tape

Product Code: 3M398FR

3M™ Glass Cloth Tape 398FR has an acrylic adhesive for many applications requiring high adhesion, an abrasion-resistant backing and flame retardant properties. This product is typically used for sealing aircraft cargo bay panels to provide a permanent seal.


  • Meets flame retardancy requirements of F.A.R. Part 25.853(a) and F.A.R. Part 25.855(d).
  • 3M™ Glass Cloth Tape 398FR meets the requirements of and can be qualifiedto Boeing material specification BMS 5-146 Type I, Class I, Grade A.
  • EU compliant per directive 2003/11/EC of the European Parliament and the Council of February 6, 2003, amending Council Directive 76/769/EEC which restricts the use of penta-BDE and octa-BDE flame retardants.
  • Acrylic adhesive has excellent long aging properties ideal for many permanentapplications.
  • White color makes finished job look appealing.
  • Formulation does not contain antimony.
  • High conformability.


  • Sealing thermal and acoustic insulation panels where high adhesion and flameretardancy are needed.
  • Aircraft window sealing, duct sealing and seat repair.
  • Protection of wire harnesses, electrical cables or hoses from temperature extremesand abrasion.
  • Marine applications.
  • Many general industrial uses.
Adhesive Thickness Temperature Range
  • Acrylic
  • 0.18mm
  • Minus 29°C to 121°C
  • Good Conformability
  • Good Resistance to Ageing
  • Flame Retardant

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