When using a butyl sealant coating machine, it often happens that the butyl sealant does not stick to the aluminum frame. So what is the reason for this phenomenon?

• Improper surface treatment of the aluminum frame: If the surface of the aluminum frame is not properly treated, such as grinding, degreasing, cleaning, it will result in insufficient adhesion to butyl sealant.
• Butyl sealant coating problem: When applying butyl sealant, if there are uneven or bubbles, it will affect the bonding effect with the aluminum frame.
• Butyl sealant quality or expiration issues: Using poor quality or expired butyl sealant will cause its bonding strength to decrease.
• Insufficient bonding temperature: Butyl sealant needs to be bonded at a certain temperature. If the temperature is not up to standard, the bonding force will be affected.
• Deformation of the aluminum frame: If the aluminum frame is deformed during processing or transportation, it will reduce the contact area with butyl sealant, thereby affecting the adhesion.

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