Guide to Selecting Adhesives for Hook and Loop Fasteners

Selecting the appropriate adhesive is crucial for ensuring the durability and effectiveness of hook-and-loop fasteners. Two primary types of self-adhesive hook-and-loop products are available: rubber-based and acrylic-based adhesives. Both are pressure-sensitive adhesives (PSAs), meaning they bond to surfaces when pressure is applied. While each adhesive type has its advantages and limitations, the bonding strength largely depends on how well the adhesive adheres to the substrate. When recommending adhesives, several factors must be considered.

Both rubber-based and acrylic-based adhesives effectively bond to various substrates, including metal, glass, stainless steel, and aluminum. While both can adhere to most plastics, rubber-based adhesives are better suited for low-surface-energy (LSE) plastics due to their higher initial tack. Acrylic adhesives offer moderate tack, making rubber-based adhesives the safer choice when the plastic type is uncertain.

Rubber-based adhesives also perform better on rough surfaces like wood, vinyl, and canvas. These substrates often require the higher tack and flexibility that rubber-based adhesives provide. In contrast, acrylic adhesives may struggle with uneven or porous surfaces.

Beyond substrate compatibility, environmental factors play a significant role in adhesive performance. Temperature ranges vary by manufacturer, but as an example, rubber-based adhesives typically operate between -40°F and 190°F (-40°C to 88°C), while acrylic adhesives withstand temperatures up to 240°F (116°C). For hot climates or applications like automotive interiors, acrylic adhesives are preferable.

Acrylic adhesives also outperform rubber-based options in humid or chemically exposed environments, such as outdoor settings or industrial facilities. This makes acrylic adhesives the go-to choice for outdoor applications, while rubber-based adhesives are better suited for controlled indoor environments.

Hook-and-loop fasteners can be attached to fabrics through sewing, fabric glue, iron-on backing, self-adhesive strips, or even hot glue, depending on the project requirements. Sewing offers the strongest bond, while adhesives are suitable for lightweight or temporary applications.

• Sewing: The most secure and durable method, ideal for all fabric types.
• Fabric Glue: Best for no-sew applications; works well with non-stretch materials.
• Iron-On Hook-and-Loop: Uses heat to bond, perfect for patches or crafts.
• Self-Adhesive Hook-and-Loop: Easy to apply but best for lightweight or temporary use.
• Hot Glue: A quick solution for craft projects; not suitable for frequent washing.
• Double-Sided Tape: A temporary fix for decorative or lightweight purposes.

To choose the right adhesive, first identify the substrate. If the adhesive doesn’t bond well to the material, environmental factors won’t matter—it simply won’t stick.

Next, consider secondary factors like climate. Will the fastener endure extreme heat, cold, or humidity?

Finally, if PSAs aren’t suitable, alternative attachment methods—such as contact cement, mechanical fasteners (staples, rivets, screws), or spray adhesives—can be used.

Fabric glue isn’t ideal for long-term bonding. Sewing or contact cement provides stronger, more durable results.

Debris like dust, lint, or hair can clog the hooks, or the hooks may wear out over time.

Clean the hooks with a fine-tooth comb, tweezers, or tape, then gently brush them to realign the hooks.

Loosely woven or textured fabrics like cotton, polyester, wool, and nylon provide the best grip. Smooth materials like leather or silk require specialized adhesives or sewing.