A.J. Rubber & Sponge Ltd. die cuts, kiss die cuts and applies PSA (pressure sensitive adhesive) to custom gaskets of solid polyethylene, which are able to effectively perform in high temperature environments. Our 45+ years of experience in the custom seal & custom gasket fabrication industry has taught us that polyethylene gaskets are best suited for applications where temperatures remain consistently low. Polyethylene gaskets have many unique properties that are worth considering for a variety of applications:

  • Polyethylene gaskets are frequently utilized in the assembly, fabrication and manufacturing of large engines, such as those for airplanes, trucks, cars, buses, trailers and watercraft.
  • In the past, A.J. Rubber & Sponge Ltd. has supplied a many manufacturers with polyethylene gaskets to help them tackle problems requiring sealing under lower-range high temperatures and enormous pressures, such as doors on electrical appliances (ie. refrigerators, microwaves and ovens). Polyethylene gaskets function as seal liners around the doors, windows and other openings in order to ensure a tight, snug close.
  • Polyethylene gaskets work extremely well in situations where temperatures are expected to be relatively low, and stay that way.
  • Polyethylene gaskets happen to be in the same gasket category as polypropylene gaskets; the category of gasket materials that require a significant amount of heat to synthetize. Polyethylene gaskets, as mentioned above, tend to function well in low to moderate temperature ranges.
  • Polyethylene gaskets provide a seal that is often broken and re-established from time to time (such as those on doors or handles of appliances).
  • Polyethylene gaskets have a high degradation rate.

For technical data on A.J. Rubber & Sponge Ltds. polyethylene gaskets, please click on the following link:

AJ199 spec sheet
Sample Board Material Spec Sheets

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