Application

Aluminum Strip for Insulating Glass Spacer Bar

May 21, 2026

Aluminum spacer bars are important components in insulating glass units. Aluminum strip is formed into spacer bars, which help maintain the distance between glass panels and support the sealing structure. In this application, aluminum strip should have good formability, accurate width and stable surface quality.

Many insulating glass manufacturers choose aluminum strip because it is easy to process, lightweight and corrosion-resistant. HAOMEI Aluminum can supply aluminum strip for spacer bar production in customized specifications.

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Recommended Specifications

ItemCommon Options
Alloy3003, 3004, 3105
TemperH14, H16, H18, H24
Thickness0.18 mm – 0.5 mm
WidthCustomized according to spacer bar size
SurfaceMill finish, coated finish available
EdgeSlit edge with stable width tolerance
ApplicationInsulating glass spacer bar, window and door systems

Product Advantages

  • Good roll forming performance

  • Stable width and thickness tolerance

  • Good corrosion resistance

  • Suitable for continuous spacer bar production

  • Clean surface for later processing or coating

Purchasing Tips

When customers inquire about aluminum strip for spacer bars, it is better to provide the final spacer bar size and forming process. This helps us recommend suitable alloy and temper. For example, 3003 aluminum strip is commonly used because of its good strength and formability.

HAOMEI Aluminum supports customized slitting and export packing to meet long-distance transportation requirements.


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Contact us today for a free consultation. Our aluminum experts will reply within 24 hours.