3M™ CeQUIN I and II Inorganic Insulating Papers have high inorganic content and are comprised of glass fibers, microfibers, and inorganic fillers with less than 10% organic binder content. It performs to temperature up to 250 ºC while UL systems recognized to Class 220(R) and CSA Component approved. CeQUIN possess excellent thermal conductivity, good varnish absorption, good retained dielectric and low moisture absorption.

CeQUIN I Thicknesses: ranges from 5 mils to 30 mils

CeQUIN II Thicknesses: range from 30 mil to 60 mil

CeQUINlaminates available in standard constructions

  • Available in standard rolls of 36" wide
  • Custom fabrication services available from WS Hampshire
Unit of Measure



N/A 15 mil0.381 mm


N/A 0.5 in12.7 mm


N/A 12.7 mm0.500 in

Operating Temperature

N/A up to 220 ºCup to 428 ºF