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What glue is used to firmly stick silicone to leather

11 Aug 2025

There are many glues available for silicone leather bonding.

Selecting and analyzing the best glues for strong silicone leather bonding:

KN-300 Room-Temperature Slow-Cement Adhesive
Features: Single-component, room-temperature curing, strong adhesion, and waterproof properties. Suitable for flexible bonding of soft leather and silicone. The cured adhesive layer is flexible and does not harden.
Applications: Applications requiring long-term flex resistance, such as clothing and footwear. Customer satisfaction has been high, making it the preferred choice.
Leather Fiberglass Adhesive KL-039
Features: Quick-drying, strong adhesion.
Appearance: Colorless, transparent, viscous liquid. KN-039 is an adhesive primarily used for surface treatment of various plastics and fiberglass.
Applications: Primarily used for surface treatment of various plastics and fiberglass.
Precautions:

Sulfur-containing or smooth leather surfaces can cause bonding failure and require pre-treatment with a platinum catalyst or additive.
All adhesives should be applied in a dry, clean environment to avoid impurities such as oil and release agents that may affect the effect.
Curing time is affected by temperature and humidity. It is recommended to control environmental conditions according to the product instructions.

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