SRBF Grade 6F/45 – 5mm | TUFNOL®Custom pads and gaskets priced instantly and made to order within 24 hours!

SRBF Grade 6F/45 – 5mm | TUFNOL®

(SRBF . Synthetic resin Bonded Fabric)

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  • Enhanced Electrical Performance
  • Superior Machinability
  • Robust Mechanical Properties
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SKU: 93386 Categories: , Tags: , , , , , , , Brand:

Description

Tufnol SRBF Grade 6F/45 is a high-performance, cotton fabric-based epoxy laminate renowned for its exceptional electrical properties, dimensional stability, and outstanding machinability. Manufactured by Tufnol Composites, this material combines a specially modified epoxy resin with fine-weave cotton fabric, resulting in a laminate that offers high insulation resistance, electric strength, and exceptional resistance to surface electrical tracking.

This versatile grade is used for a broad range of applications where precision and a high-quality machined finish need to be combined with electrical or mechanical performance. It is used for rotor blades in compressors, slip ring assemblies in helicopters, windshield components on commercial aircraft, high vacuum components, slot wedges, coil supports in turbine generators, labyrinth seals, insulating gears in scientific instruments, electrical mounting plates, and large electrical terminal blocks.

Benefits

  • Enhanced Electrical Performance
  • Superior Machinability
  • Robust Mechanical Properties

Features

High Thermal Resistance

  • Suitable for continuous operation up to 130°C, with intermittent exposure up to 150°C

Excellent Electrical Insulation

  • High insulation resistance and electric strength, with exceptional resistance to surface electrical tracking.

Mechanical Strength

  • Cross-breaking strength of 170 MPa and compressive strength of 290 MPa, ensuring durability in demanding applications.

Dimensional Stability

  • Low water absorption and good dimensional stability, providing fine tolerances and a superb machined finish.

Recommended Uses

  • Aerospace: Rotor blades in compressors, slip ring assemblies in helicopters, and windshield components on commercial aircraft.
  • Industrial Equipment: High vacuum components, slot wedges, coil supports in turbine generators, and labyrinth seals.
  • Scientific Instruments: Insulating gears in scientific instruments, electrical mounting plates, and large electrical terminal blocks.
Physical Properties
Property Typical Result Units
Cross Breaking Strength 170 MPa
Impact Strength, Notched, Charpy 4.6 kJ/m2
Compressive Strength, flatwise 290 MPa
Compressive Strength, edgewise 190 MPa
Shear Strength, flatwise 100 MPa
Water Absorption
Typical Result Units
1.6mm thk. 30 mg
3mm thk. 35 mg
6mm thk. 45 mg
12mm thk. 55 mg

Electric strength, flatwise in oil at 90°C

Typical Result Units
– 1.6mm thk. 15 MV/m
– 3mm thk. 12 MV/m
– 6mm thk. 10 MV/m
Electric strength, edgewise in oil at 90°C 80 kV
Insulation resistance after immersion in water 3 x 1011 ohms
Loss tangent at 1 MHz 0.040 –
Permittivity at 1 MHz 4.3 –
Comparative tracking index 800 –
Relative Density 1.36 –

Maximum working temperature**

Typical Result Units
– Continuous 130 °C
– Intermittent 150 °C
Thermal Classification Class B –
Thermal conductivity through laminae 0.36 W/(mK)
Thermal expansion in plane of laminae 1.8 x 10-<sup>5</sup>/K
Specific heat 1.5 kJ/(kgK)

TUFNOL® Grade 6F/45 Datasheet

TUFNOL® Grade 6F/45 Safety Datasheet





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