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Spacer sleeve functions to absorb impact and provide an excellent protection for aluminum profiles to keep a smooth surface. Besides, it helps to leave a gap for cooling and ventilation during handling and stacking. 

We use high-quality heat resistant materials to make the industrial felt spacer sleeve. It can be customized as needed and available in 5 different colors. 
 
 
SPECIFICATION                                                           Working Temp
Length: Custom made                                                   Nomex - 280°C 
Width: Custom made                                                     Polyester - 180°C
Density: 230g/㎡-1000g/㎡ 
Thickness: 1.3mm/1.6mm/1.8mm/2.0mm/3.0mm 
 

                        

 

                         Spacer Sleeve

CALM Felt Spacer Sleeve

 

  Type: N-S 

 

  Thickness: 1.3mm / 1.6mm / 1.8mm / 2.0mm / 3.0mm 

 

 Felt Density: 230g/㎡-1000g/㎡ 

 

  Available felt: Nomex - 280℃ / Polyester - 180℃ 

 

  Colors: Off-white - Nomex  

                   Pink / Yellow / Black / White - Polyester

 

  Please kindly provide the dimensions of the heat resistant felt spacer sleeve you need (length, width, height, thickness and industrial felt density, etc). 

Industrial felt spacer sleeve
Heat resistant felt spacer sleeve

 

 
 
 
 

Sewing Process

 
 
After making sure the spacer sleeves are of the right size, the workers will finish stitching on the sewing machine with Nomex thread.
 
 

   Looking for more details about industrial felt spacer sleeve?

FAQ

  • Q What are the functions of the spacer sleeve?

    A 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.

  • Q What do the different colors mean?

    A We design 5 different colors to help you distinguish the operation temperature and finished products. This can make sorting, shipping, and delivery easier and more convenient.

  • Q Can spacer sleeves be used in aging ovens?

    A Absolutely. Off-white Nomex spacer sleeve has a maximum heat resistance of 280℃. It is much higher than the aging furnace temperature (about 200℃).

  • Q What are the features of Polyester spacer sleeves?

    A
    Calm polyester spacer sleeve can withstand a temperature of 180℃ and available in 4 colors - pink, yellow, black, and white. It’s an economical choice suitable for storage racks, forklifts, and other low or room temperature zones.

  • Q Is there anything special about Calm spacer sleeve?

    A
    Calm spacer sleeve has a certain thermal shrinkage as the temperature rises, which can better cover and protect the aluminum profiles. Also, It is reusable to reduce production costs.

  • Q Is the spacer sleeve easy to broken?

    A No. Calm-brand spacer sleeves are adopted exquisite sewing techniques. It features smooth cutting and even surface without any fuzziness, allowing it can perform well in all applications.

  • Q How to maintain the protective function of the spacer sleeve?

    A The spacer bar cover's cushion effect is better than ordinary knitted fabric, but it will weaken with time of use. So don't forget to check and replace it regularly.

   Can not find the answer to your question?

Gallery

 
We can supply Nomex/Polyester spacer sleeves for the aluminum extrusion. Nomex can resist 280℃, which is suitable for the furnace. 
Polyester with 180℃ heat resistance is ideal for protecting the profile surface in the storage rack.

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