Vulcanized fiber

Vulcanized fiber

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Vulcanized fiber is a flexible and high-performance electrical insulation material, which is particularly suitable for applications in transformers, electric motors and machines with high requirements. With excellent thermal and electrical insulating properties vulcanized fiber ensures reliable and durable insulation in demanding environments.

 

Produced on the basis of organic renewable raw materials, Vulkanfiber is characterized by the following properties:

 

  • High mechanical strength with low weight
  • Good antistatic properties
  • Good electrical insulation properties (spark-quenching)

 

Heat class Y (95 °C)
Material on rolls from 0.2 – 2 mm
Sheets, homogeneous from 0.5 – 12 mm
Sheets, layered from 5 – 100 mm

 

Art.-Nr.

 

Technical data

Data Unit DIN 7737 Technical quality typical values VF3110/3111 Electrical quality typical values VF3120/3121 Thermoforming quality typical values VF3110/3111
Density: g/cm3 1,2-1,45 1,2 – 1,3 1,2 – 1,3 1,2 – 1,3
Basis weight: g/m2
Zinc content: %ZnCl2/TS 0,1/0,04 0,05 0,02 0,05
Humidity: % < 10 8 7 10
Ball pressure hardness: N/cm2 > 70 100 100 100
Impact strength: kJ/m2 to 120 120 120
Notched impact strength: kJ/m2 30 30 30
Ratio q/I: Factor 0,6 0,6 0,6
Longitudinal tensile strength (MD): kp/cm2 > 70 80 80 80
Transverse tensile strength (CD): kp/cm2 > 45 50 50 50
Elongation lengthwise (MD):
 % > 7 12 12 16
Transverse elongation (CD): % > 8 15 15 22
Conductivity w.ex: µS/cm < 120 40 40 40
pH value w. Exc: 5 – 7 6 6 6
Dielectric strength: kV/mm > 5,2 5.2 – 8

depending on thickness

 6 – 10

depending on thickness

 5.2 – 8

depending on thickness
Temperature resistance 95 °C: unlimited unlimited unlimited
Temperature resistance 130 °C: several hours several hours several hours
Temperature resistance 180 °C: short term short term short term
Thermal conductivity: W /mK 0,31 0,31 0,31

 

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