Products > Heat Sealing > Silicone Seal Heads
Silicone Seal Heads offer complete coverage of surface imperfections ensuring consistent, reliable seals leading to higher yields and reduced scrap. Compliance materials are specifically formulated for the temperature and pressure requirements of heat seal and packaging applications. Our total tooling approach provides disposable heads molded to match part configurations eliminating costly machining.
  • Pattern directly molded into head
  • Flat, contoured or multi-levels
  • Multiple reliefs or heights
  • Repeatable from head-to-head
  • Magnetic, quick-change mounting formats

Seal Head Attributes:

  • Heat tolerant to 600F
  • Thermally conductive
  • Excellent silicone-to-metal bond
  • 40-90 durometer (Shore A)
  • FDA grade formulations

Seal Head Composition:

Character Height ( A )

  • .035" and .065" relief, standard
  • Custom reliefs available
Silicone Thickness ( B )
  • 3/32" is used for .035" relief dies
  • 1/8" is used for .065" relief dies
  • Custom thickness available upon request
Aluminum Thickness ( C )
  • 1/8" is standard
  • 1/32", 1/16", 1/4" available
  • Deadsoft - Aluminum, easily formed to a set contour
  • 22"L x 25"W maximum size
CER is part of the ITW Group