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  • What can I do with the spacer sleeve?

    1) Reduce the number of damaged profiles in heat-treatment.
    2) Separate the profiles to cooling and ventilate after handling.
    3) Avoid surface scratches, dents or pollution of the profile during stacking, storage, and transportation.
    4) It also can be used as a spacer for other metals or alloys, not just aluminum.

  • What do the different colors mean?

    5 different colors are our thoughtful design to help you distinguish the operation temperature and finished products. Make sorting and delivery shipping easier and more convenient.
  • Can I use the spacer sleeve in the aging oven?

    Absolutely. Nomex off-white spacer sleeve has a maximum heat resistance of 280℃. It is much higher than the aging furnace temperature (around 200℃).
  • What are the features of Polyester spacer sleeves?

    Calm polyester spacer sleeve features with pink, yellow, black, and white, with a temperature resistance of 180℃. It’s an economical choice suitable for storage racks, forklifts, and other low temp zones.
  • Is there anything special about your spacer sleeve?

    Calm spacer bar cover has a certain thermal shrinkage as the temperature rises, which can better protect the aluminum profiles. Also, It is reusable to reduce production costs.
  • Is the spacer sleeve easy to broken?

    No. Calm-brand spacer sleeve adopts superior stitching with exquisite workmanship. It has smooth cutting and even surface without any fuzziness, giving an outstanding performance in all applications.

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