Brand: YILONG
Materials: Phenolic Resin + Cotton Cloth or Fine-weave linen fabric
Density: 1.2-1.4 g/cm³
Process: Laminated
Color: Brown, Black
Wall thickness: 2-200mm
OD: 10-1200mm
Length: 1000mm
Packaging: Pallet, Wooden Box
Description
PFCC22 laminated tubes
The PFCC22 Phenolic Cloth Laminated Tube is reinforced with fine linen fabric, this tube provides high mechanical strength and wear resistance, making it suitable for load-bearing structural and mechanical applications under elevated temperatures.
We have tubes of below standards:
GOST Standard: 3526
IEC Standard: PFCC21, PFCC22, PFCC23, PFCC24
DIN: Hgw2086, Hgw2085, -
NEMA Standard: LE, L, CE, C
Features
Fine Linen Reinforcement – Provides improved tensile strength and excellent machinability
Good Heat Resistance – Maintains performance under elevated temperatures
Excellent Electrical Insulation – Stable dielectric properties for reliable insulation
Moisture & Chemical Resistance – Performs well in humid and chemically exposed environments
Durable and Wear-Resistant – Suitable for long-term industrial use
Applications
Electrical Equipment – Insulating structural parts for motors, transformers, and switchgear
Power Generation – Components requiring stable insulation and mechanical reliability
Industrial Machinery – Precision-machined parts and structural components
Electrical & Electronic Manufacturing – Applications demanding consistent insulation under heat and humidity
Technical Data Sheet
| No. | Item | Unit | Range | Phenolic Cloth Laminates | ||||
| PFCC21 | PFCC22 | PFCC23 | PFCC24 | 3526 | ||||
| LE | L | CE | C | — | ||||
| HGW2086 | HGW2085 | — | — | — | ||||
| 1 | Flexural Strength (Perpendicular to Laminations) | MPa | ≥ | 90 | 80 | 80 | 100 | 80 |
| 2 | Compressive Strength (Axial) | MPa | ≥ | 110 | 100 | 100 | 120 | 45 |
| 3 | Shear Strength (Nominal Dia ≤100 mm) | MPa | ≥ | 90 | 90 | 90 | 100 | 80 |
| 4 | Electric Strength ⊥ (in oil at 90°C, wall thickness 1.6 mm) | kV/mm | ≥ | 2.1 | 2.1 | — | 2.1 | 3.5 |
| 5 | Breakdown Voltage Parallel to Laminations (in oil at 90°C) | kV | ≥ | 10 | 10 | 8 | 10 | 10 |
| 6 | Dissipation Factor (1 MHz) | — | ≤ | — | — | — | — | — |
| 7 | Dissipation Factor (48–62 Hz) | — | ≤ | — | — | — | — | — |
| 8 | Dielectric Constant (1 MHz) | — | ≥ | — | — | — | — | — |
| 9 | Insulation Resistance After Water Immersion (Nominal thickness ≥10 mm, nominal inner dia ≥8 mm) | MΩ | ≥ | 10 | 2 | 0.5 | 2 | 10 |
| 10 | Heat Resistance | ℃ | ≤ | 120 | 120 | 120 | 120 | 130 |
| 11 | Water Absorption | mg/cm² | ≤ | 5 | 10 | 13 | 5 | 4 |
| 12 | Density | g/cm³ | — | 1.15-1.35 | 1.15-1.35 | 1.15-1.35 | 1.15-1.35 | 1.15-1.35 |
| 13 | Flammability | Class | — | — | — | — | — | — |
| 14 | Standard | IEC 61212-3-1:2006 | GB/T 5132 | |||||
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