At Schlegel Electronic Materials Inc. we have an unwavering commitment to the safety of our customers and our co-workers during the COVID-19 virus pandemic. SEM is a worldwide company and our facilities in Asia, Europe, and the United States are working in concert to provide production support as needed. We are currently operating at 100%


OP-8400 is exceptionally soft and exhibits good thermal performance. It is compliant to RoHS standard while maintaining its halogen-free status. These special features are benefited from the proprietary composition of metal oxide fillers in its binder matrix.

OP-8400 is electrically non-conductive and naturally tacky. Additional adhesive is generally not required.

Features and Benefits

  • 2.5W/m-K thermal conductivity
  • Good compressibility
  • RoHS Compliant
  • Halogen-free
  • Naturally tacky
Product Spec Sheet

Additional information



Thickness Range [inch/(mm)]

0.01" (0.25)~0.40" (10.1)

Thermal Conductivity [W/mK]


Hardness [Shore 00]


Operation Temperature [°C]


Halogen-Free [under 700ppm]


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