BSEN60893-3-2-EPGC308 B48 Epoxy Glass Laminate SRBG

Material Details

Grade:B48
Description: Epoxy Glass. Epoxy glass laminate, Similar to B36 - elevated mechanicals at temperature.
Comments:Similar to B36 but with enhanced mechanical properties at elevated temperatures. Thermal Class H (180 deg C). Improved flexural strength at 150 deg C after heat ageing. Uses include high speed rotating machinery and applications where improved heat distortion characteristics are important.
Specifications:BSEN60893-3-2-EPGC308 (Which supersedes BS3953 EP7). The closest NEMA equivalent to this specification is NEMA G11
Body Colour:Green/Brown
Cover Colour:Green/Brown
Finish:Satin/Glossy
Size:1220 x 1220
Thickness Range: 0.4 - 100.0

Typical Applications

  • Chemical Resistance Components
  • Cryogenic Resistance Components
  • Electromagnetic Coil Insulation
  • High Voltage Insulation
  • Insulating Bushes Spacers Sleeves
  • Phase Barriers
  • Precision Machined Parts
  • Slot Wedges
  • Terminal Boards and Tag Strips
  • Transformer Spacers

General Properties

Property Unit of measure Typical Value
Densityg/cm31.9
Water Absorptionmg10
¥ Where relevant, the flammability test method is used solely to control and monitor consistency of production. Under no conditions should the results be considered in relation to fire hazards under actual conditions of use.

Electrical Properties

Property Unit of measure Typical Value
IR (24hrs Water Immersed)G Ω30000
IR (Dry)G Ω30000
Electric Strength (Flat Rapid)kV/mm17
Breakdown Voltage (Edge Step by Step)kV80
Relative Permittivity @ 1 MHz--5
Dissipation Factor @ 1 MHz--0.02
Tracking IndexV220

Mechanical Properties

Property Unit of measure Typical Value
Flexural StrengthMPa490
Flexural Strength at 150°CMPa350
Tensile StrengthMPa230
Impact (Notched CHARPY)kJ/m280

Thermal Properties

Property Unit of measure Typical Value
Thermal Rating Continuous°C180
Thermal Rating Intermittent°C190

Disclaimer: The above values are based upon routine test data and do not form the basis of a supply contract. These products may be used in a diverse range of applications and whilst every effort is made to ensure the information in this data sheet is accurate, it must be stressed that it is the user’s responsibility to ensure suitability for the intended end use.