Isola IS400

IS400 is a temperature-resistant base material with low Z-axis expansion. The product is based on a proprietary filled epoxy system with a nominal TG of approximately 150C and a delamination time at 260C of about 60 mins. The Coefficient of Thermal Expansion in the Z-axis lies between room temperature and 120C at 30-40 ppm/K compared to unfilled systems at 60-70 ppm/K:

  • IPC-4101/101
  • Td 5% 330C
  • copper foil standard – HTE Grade 3, RTF available
  • E glass standard, Square weave glass fabric available
  • UL File Number E41625




General safety information

  • Only use the product for applications described in the product data sheet
  • The product is intended for industrial use only
  • The product is not suitable for food industry
  • The product must not be eaten
  • In case of fire noxious fumes or smoke can be generated


  • Dust generation, do not inhale dust, comply with Health & Safety dust limit value
  • Do not inhale fumes or smoke created during processing or by fire

Protection methods

  • Dust extraction or dust protection mask

Extinguishing agent

  • Foam, powder, CO2


  • Comply with limit value for respirable dust
  • Dispose or waste safely

Please send us an email, in order to receive an MSDS for this product >