NEMA C Cotton Phenolic Rod for Mechanical Applications

product details

Description

Phenolic Cloth Rod is made of cotton fabric (or linen, canvas) impregnated with phenolic resin, then heated intoprepreg and rolling into the rod shape, finally put into the different diameters molds, under hightemperature and pressure to cure into the rigid laminated rods. Usually for mechanical andelectrical applications.

Canvas Phenolic Rods are made from canvas fabric reinforced with phenolic resin, offering an excellent balance of mechanical strength and electrical insulation. They perform reliably in temperatures from -40°C to 120°C, with low moisture absorption and high dimensional stability. These rods are durable, wear-resistant, and ideal for applications requiring both structural strength and electrical safety.

GOST Standard: 3721, 3722, 3723, 3724, 3725

IEC Standard: PFCC41, PFCC42, PFCC43

NEMA Standard: C, CE, L, LE

3722, 3723, 3724, 3725: Similar to NEMA Grade C, CE, L and LE Respectively, usually for mechanical & electrical applications. 3725 allows fine processing 

PFCC41, PFCC42 and PFCC43: IEC Grade, PFCC41(fine cloth), PFCC42(coarse cloth) and PFCC43(extra coarse cloth)


Features

  • High mechanical strength and load-bearing capacity

  • Excellent electrical insulation with superior dielectric properties

  • Wide operating temperature range: -40°C to 120°C

  • Low moisture absorption and high dimensional stability

  • Resistance to chemicals, wear, and abrasion

  • Versatile and machinable for custom applications


Applications

  • Structural components in machinery and equipment

  • Electrical insulation rods, spacers, and bushings

  • Aerospace and automotive parts requiring mechanical strength and electrical safety

  • Industrial manufacturing components exposed to heat, moisture, or chemicals

  • Custom machined parts where durability and insulation are essential


Technical Data Sheet

Phenolic Cotton Cloth Laminated Rods

StandardRangeIECPFCC41PFCC42PFCC43---
NEMALELCEC--
GOST37253724372337223721B3721
Physical Properties

Density-g/cm31.20-1.401.20-1.401.25-1.451.25-1.451.25-1.451.25-1.45
Water absorption ratemg/cm21.1%1.5%1.3%2%2%1%
Mechanical Properties







Bending strength (Flextual strength)⊥MPa125959011080110
Compression strengthMPa9080135130--
Tensile StrengthMPa----6079
Electrical Properties







Breakdown voltage ⊥in oil, 20±2℃kV5510-810
Insulation resistance after 24h water immersion510.1-1x10^7Ω1x10^8Ω
Thermal Properties







Temperature Index-120120120120120120


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