RACE 40MM Replacement Silicone Band for Auto-Welders

The RACE 40MM Replacement Silicone Band is made to fit auto-welding machines that require a 40 mm band. It is compatible with machines from manufacturers like BAK, Leister, and Sievert. The silicone material offers flexibility and resilience during welding operations.

Key features:

• Silicone 40 mm band
• Fits BAK, Leister, Sievert and other auto-welders
• Durable and flexible material
• Helps eliminate wrinkles and improve welding stability 
• Simple replacement part for maintenance

• Band size: 40 mm 
• Material: Silicone (for welding machines) 
• Compatibility: Auto-welders from BAK, Leister, Sievert, and more

Q: What machines is the “40MM Replacement Silicone Band” compatible with?
A: It fits automatic welding machines from brands such as BAK, Leister and Sievert that use 40 mm seam widths.

Q: Why would I need to replace the silicone band on an auto-welder?
A: Over time silicone bands can wear, harden, develop grooves or lose grip, which can cause poor seam weld quality; replacing it restores consistent pressure and feed.

Q: Is the material of this replacement band important?
A: Yes — the silicone construction offers flexibility, heat resistance and reduced marking on the roof membrane, making it suitable for hot-air welding applications.

Q: How do I verify I need this 40 mm band versus a different size?
A: Check the seam width of your welding machine (look for 40 mm specification), and confirm the part number or band diameter matches the existing one.

Q: Does installing this part require machine calibration after replacement?
A: Generally yes — after installing the new band you should run a test weld, check seam quality and adjust temperature/pressure settings if needed for consistent results.