Materials with strong adhesion are crucial in various applications, including bonding, sealing, and assembly processes. Some of the most notable materials with strong adhesion include:

1. Epoxy Resins: Epoxy resins are widely used due to their excellent adhesion properties, chemical resistance, and mechanical strength. They can bond to a wide range of substrates, including metals, plastics, and ceramics.

2. Cyanoacrylates (Super Glue): Cyanoacrylates are known for their rapid curing and strong adhesion, making them ideal for bonding materials like metals, plastics, and even human skin.

3. Adhesive Velcro: The hook-and-loop fastener system of adhesive Velcro provides strong adhesion and is reusable, making it suitable for various applications, from clothing to industrial fastening.

4. Acrylic Adhesives: Acrylic adhesives offer good adhesion and flexibility, making them suitable for bonding plastics, metals, and wood.

The reason these materials exhibit strong adhesion is due to their chemical and physical properties. Epoxy resins, for instance, form strong chemical bonds with substrates through cross-linking, resulting in high tensile strength. Cyanoacrylates, on the other hand, rapidly polymerize to form a strong bond due to their unique chemical structure. Adhesive Velcro utilizes the mechanical interlocking of hooks and loops to create a strong bond. Acrylic adhesives, with their hydrophobic and hydrophilic components, can form hydrogen bonds with substrates, enhancing adhesion.

According to a study by the Adhesive and Sealant Council (ASC), epoxy resins can achieve tensile strengths of up to 3000 psi, while cyanoacrylates can provide adhesion strengths of over 2000 psi. These values highlight the exceptional adhesion capabilities of these materials in various applications.