Flame Retardant Paper and Fibre
Hokuetsu Toyo Fibre produces several versions of UL-94 VO Flame retardant papers and hard fibre. Our Vulcanized
Fibre sheets and rolls are available from .010" up through .093" in both standard 94-HB and upgraded 94-VO
Hokuetsu Toyo Fibre Flame Retardant Vulcanized Fibre is suitable for a variety of electrical insulation, gaskets,
electronics and general purpose applications. They are suitable for operating temperatures from 120 C up to
200C (in certain applications).
Hokuetsu Toyo Fibre offers the following grades of Flame Retardant Fibre/Flame Retardant Paper:
UL listed General Purpose Flame Retardant 94-VO with a temperature class of 120C.
Excellent arc and track resistance.
Special Moisture Resistant Grade of 94-V1 Flame Retardant Vulcanized Fibre. 1 Hour
moisture absorption below 10%. When fully protected by high temperature varnish may be used up to
Pre-coated version of NF-77. This product includes an extra layer of moisture proof
and flame retardant urethane coated onto both sides. Outstanding dielectric and flame retardancy.
Pre-coated version of NFK-88. This product includes an extra layer of flame
retardant urethane resin on both sides. Improved tracking and arc resistance. Improved moisture
resistance. Improved flame retardance. UL 94-V1
Hokuetsu Toyo Fibre Co. U.L. File No. E55656