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NEMA CE/PFCC43/3723 Phenolic Cotton Cloth Rod

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Product Spotlights

PFCC43 Laminated Rods are high-performance insulation components for power transformers. They provide excellent electrical insulation, mechanical strength, and structural support. They isolate conductors at different potentials, ensure electrical safety, and withstand mechanical stress from windings and cores, maintaining transformer stability and integrity.
Negotiable MOQ: 500 Kilograms (Price negotiable depending on order volume and customization)
Key Specifications
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Material:
Other
Color:
Red
Application:
Electrical Power System, Electronic Communication, Electronic Device, Industrial Equipment, Medical Equipment, Transportation
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Qingdao Yilong Insulation Material Co., Ltd.
Verified Business License
Payment & Shipping
Payment Methods:
Port of Shipment:
Qingdao, Ningbo, Shanghai, Tianjin
Delivery Detail:
30 days

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Material Other
Color Red
Application Electrical Power System, Electronic Communication, Electronic Device, Industrial Equipment, Medical Equipment, Transportation
Thermal Rating E 120
Length 1000mm
Transport Package Pallet or Wooden Case
Specification Diameter 8-250mm
Trademark YILONG
Origin China

Description

Phenolic Cotton Rod is made of cotton fabric 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.

PFCC43 Laminated Rods (NEMA CE) are high-performance insulation components designed for use in power transformers. Constructed from CE laminated materials, these rods provide reliable electrical insulation, mechanical strength, and structural support. They effectively isolate conductors at different potentials, ensuring the transformer's insulation performance and overall electrical safety. Additionally, PFCC43 rods can withstand mechanical pressures from windings and cores, maintaining the stability and integrity of the transformer's internal structure.


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, 3725 allows fine processing 

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


2026_05_25_14_25_IMG_7670.jpg.webp


Features

Excellent electrical insulation, ensuring reliable separation between conductors at different potentials.

High mechanical strength, capable of withstanding the pressure from windings and cores.

Stable dimensional performance, maintaining structure under mechanical and thermal stress.

Durable and long-lasting, ensuring consistent transformer performance over time.

Resistant to moisture and environmental factors commonly encountered in transformer operations.


Applications

Insulation supports in power transformers.

Barriers for isolating conductors at different voltage potentials.

Structural components inside windings and cores to maintain transformer stability.

Critical electrical insulation components in high-voltage and industrial transformers.


Phenolic Cotton Cloth Laminated Rods
Standard Range IEC PFCC41 PFCC42 PFCC43 - - -
NEMA NEMA LE L CE C

GOST GB 3725 3724 3723 3722 3721B 3721
Physical Properties







Density - g/cm3 1.20-1.40 1.20-1.40 1.25-1.45 1.25-1.45 1.25-1.45 1.25-1.45
Water absorption rate ≤ mg/cm2 1.1% 1.5% 1.3% 2% 2% 1%
Mechanical Properties







Bending strength (Flextual strength)⊥ ≥ MPa 125 95 90 110 80 110
Compression strength ≥ MPa 90 80 135 130 - -
Tensile Strength ≥ MPa - - - - 60 79
Electrical Properties







Breakdown voltage ⊥in oil, 20±2℃ ≥ kV 5 5 10 - 8 10
Insulation resistance after 24h water immersion ≥ MΩ 5 1 0.1 - 1x10^7Ω 1x10^8Ω
Thermal Properties







Temperature Index - ℃ 120 120 120 120 120 120


Product Tags: Phenolic Cotton Rod , PFCC43 Rod , NEMA CE Phenolic Rod

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Qingdao Yilong Insulation Material Co., Ltd.
Verified Business License
Business Type
Manufacturer
Year Established
1966
Factory Size
Above 100,000 square meters
Annual Export Value
US$10 Million - US$50 Million
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