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What kind of adhesive can be used on silicone surfaces?
03 Nov 2025
The main types of adhesives that can be used on silicone surfaces are as follows:
Silicone adhesive: This is an adhesive specifically designed for bonding silicone materials. It exhibits excellent water resistance, temperature resistance, and aging resistance, maintaining good adhesion over a long period. Silicone adhesive is suitable for bonding silicone to silicone, and also for joining silicone to metals, plastics, and other materials.
Polyurethane adhesive: Polyurethane adhesive is another commonly used silicone adhesive. It has strong adhesion and water resistance, making it ideal for bonding silicone to metals, plastics, and other materials.
Acrylic adhesive: This type of adhesive is known for its good adhesion and fast curing characteristics, making it particularly suitable for silicone applications requiring rapid positioning and bonding.
In addition, there are some adhesives on the market specifically designed for silicone bonding, such as medical-grade silicone-to-silicone adhesive KN-300 (for silicone-to-silicone bonding) and other specific silicone adhesives such as KL-039 and KL-301AB. These products can meet the special needs of silicone bonding.
When selecting adhesives, it's essential to consider the specific application scenario, required bond strength, weather resistance requirements, and the adhesive's performance after curing. Proper surface preparation is also crucial for improving bonding results. In practical applications, it's recommended to choose the appropriate adhesive type based on the specific situation and follow the corresponding instructions and operating procedures to ensure optimal bonding performance.
