PFCC305 Phenolic Cotton Cloth Sheet HGW2083.5 Electrical Insulation Board

product details

Description

PFCC305, Phenolic Cotton or Linen. Very Fine Weave. It is very fine weave cotton phenolic laminate with good electrical and mechanical properties. Can be machined to a very fine finish. Suitable for instrument gears and other intricate machined components. The closest NEMA equivalent to this specification is NEMA L.


Features

  • High mechanical strength and toughness

  • Good electrical insulation properties

  • Excellent wear and impact resistance

  • Smooth, defect-free surface

  • Low friction and good dimensional stability

  • Excellent machinability for precision parts

  • Suitable for harsh environments, including high dust and abrasion

  • Resistant to weathering and mild chemical exposure


Applications

  • Low-voltage electrical insulation components

  • Motor slot wedges, coil formers and bobbins

  • Precision machined parts

  • Gears, cams and cam followers

  • Bolts, screws and insulating bushes

  • Jigs, fixtures and welding jigs

  • Rollers, conveyor wheels, pulleys and sheaves

  • Ball race cages and rolling mill bearings

  • Slideways and wear-resistant guide components

  • Compressor rotor blades and scraper blades

  • Piston rings and punched components

  • Insulating handles and pipeline insulation parts

  • Cryogenic and low-temperature components


Technical Data Sheet

Textolite Phenolic Cotton Cloth Sheet (PFCC201/PFCC202/PFCC203/PFCC204/PFCC305)
No.PropertiesThickUnitIndex
1Standards//PFCC201 
3025
HGW2082
C850.1 (C)
PFCC202 
3027
HGW2082.5
C850.2 (CE)
PFCC203 
3026
HGW2083
C850.3 (L)
PFCC204 
3028
HGW2083.5
C850.4 (LE)
PFCC305
2DensityAllg/cm31.30~1.451.30~1.451.30~1.451.30~1.451.30~1.45
3Flexural Strength ⊥≥1.6MPa≥100≥90≥110≥100≥125
4Apparent Flexural Modulus≥1.6MPa≥7000≥7000≥7000≥7000≥7000
5Impact strength ∥simply supported beam, thick≥5mm≥5.0kJ/m2≥8.8≥7.8≥7.0≥6.0≥6.0
6Impact strength ∥cantilever beam, thick≥5mm≥5.0kJ/m2≥5.4≥5.9≥5.9≥4.9≥4.9
7Adhesion Strength≥5.0N≥3600≥3600≥3200≥3200≥3200
8Shear Strength ∥≥5.0MPa≥25≥25≥20≥20≥20
9Tensile Strength≥1.6MPa≥80≥85≥60≥80≥80
10Insulation resistance after water immersionAllΩ≥5x10^7≥5x10^7≥5x10^7
11AC dielectric constant (50/60 Hz)≤3.0≤5.5≤5.5≤5.5
12Comparative Tracking Index (CTI)≥3.0≥100≥100≥100≥100≥100
13Dielectric strength, measured in transformer oil at 90 ± 2 °C ≥>3.0kV≥20≥20
14≤3.0kV/mmRefer to CHART 1
15Water absorption ≤AllmgRefer to CHART 2
16Thermal Index (TI) ≥≥3.0120120120120120


Dielectric strength - CHART 1
Test Thickness (mm)Dielectric strength(kV/mm)Test Thickness (mm)Dielectric strength(kV/mm)
30253026302730283025302630273028
0.5-≥0.98-≥8.11.6≥0.72≥0.72≥3.8≥5.1
0.6-≥0.95-≥7.71.8≥0.69≥0.69≥3.6≥4.8
0.7-≥0.92-≥7.32≥0.65≥0.65≥3.4≥4.6
0.8≥0.89≥0.89≥5.6≥7.02.2≥0.61≥0.61≥3.3≥4.4
0.9≥0.84≥0.84≥5.3≥6.62.4≥0.58≥0.58≥3.2≥4.2
1≥0.82≥0.82≥5.1≥6.32.6≥0.56≥0.56≥3.1≥4.1
1.2≥0.80≥0.80≥4.6≥5.82.8≥0.53≥0.53≥3.0≥4.1
1.4≥0.76≥0.76≥4.2≥5.43≥0.50≥0.50≥3.0≥4.0










Water Absorption - CHART 2
Test Thickness (mm)Water Absorption(mg)Test Thickness (mm)Water Absorption(mg)
30253026302730283025302630273028
0.5-≤190-≤1275≤275≤275≤175≤175
0.6-≤194-≤1296≤284≤284≤182≤182
0.8≤201≤201≤133≤1338≤301≤301≤195≤195
1≤206≤206≤136≤13610≤319≤319≤209≤209
1.2≤211≤211≤139≤13912≤336≤336≤223≤223
1.6≤220≤220≤145≤14514≤354≤354≤236≤236
2≤229≤229≤151≤15116≤371≤371≤250≤250
2.5≤239≤239≤157≤15720≤406≤406≤277≤277
3≤249≤249≤162≤16225≤450≤450≤311≤311
4≤262≤262≤169≤16922.5≤540≤540≤373≤373


Get A Quote

Send message

Please fill out the form below and we will get back to you as soon as possible.

+86 15866869385

+86 15866869385