Novoloid Phenolic Fiber

Novoloid Phenolic Fiber

High Temperature Packing Yarn

The technology to produce novoloid phenolic fiber was initially developed in the late 1960’s with commercial fiber production and development by Gunei Chemical Industry Co. based in Japan.

Novoloid, or phenolic fiber, is a thermoset organic fiber produced from a phenolic novolac resin. The precursor resin is melt-spun in a solution of formaldehyde and hydrochloric acid. The reaction occurs and fibers are formed and cured. Novoloid fibers are composed of 76% carbon, 18% oxygen, and 6% hydrogen. Novoloid can also be used as a precursor to carbon fiber.

Gunei Chemical Industry Co. Ltd.
Kynol, Inc. (Distributor)

Common Types & Deniers
Multi-filament and Spun
Various deniers available

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  • Excellent flame resistance
  • Excellent chemical resistance
  • Can withstand short-term heat exposure in temperatures>1000 ̊C
  • Excellent thermal insulator
  • Low smoke and combustion toxicity
  • Very compatible with thermoset & thermoplastic resins

Boletín del producto: Novoloid

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Novoloid Fiber Data
Property Standard Modulus
Breaking Tenacity (g/d) 1.5
Specific Gravity (ratio) 1.27
Elongation at Break (%) 30.0-40.0
Tensile Modulus (g/d) 2.5-5.0
Equilibrium Moisture Regain at 55% RH (%) 6.0
Creep at 40-48% ult tensile strength (%) n/a
Shrinkage dry air 177 ̊ 30 mins (%) <0.1
Decomposition Temp ( ̊C) 150-250
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