SAVE up to 60% on Nordson Style Equipment – Shop Now
Side Glue Hot Melt Adhesives
Finish strong with every spine.
Astro Packaging’s side glue hot melt adhesives are the perfect complement to spine glue in bookbinding. Designed to secure cover flaps, prevent delamination, and create a polished finished product, our side glue formulations deliver precision, flexibility, and strength right where you need it — along the edges.
What Are Side Glue Hot Melt Adhesives?
Side glue is applied along the hinge or edges of book covers to enhance cover-to-text adhesion in perfect binding applications. While spine glue holds the pages in place, side glue ensures that the outer cover stays firmly attached, especially at the edges. These hot melts are designed to create strong fiber tear, resist delamination, and flow smoothly for clean trimming and consistent finish.
Key Benefits of Side Glue Hot Melt Adhesives
- Improves overall durability and appearance of bound books
- Excellent fiber tear and strong cover adhesion
- Clean cutoff and trim — no stringing or bleed
- Works with coated or uncoated cover stocks
- Short open time for high-speed production
- Compatible with EVA and PUR spine glue systems
Common Applications for Side Glue Hot Melt Adhesives
Side glue hot melts are widely used in commercial bookbinding and print finishing operations.
Typical applications include:
- Perfect bound books with heavy or glossy covers
- Catalogs, manuals, and workbooks
- Directories, directories, and trade publications
- Schoolbooks and training materials
- Short-run digital print jobs with varying cover thickness
Choosing the Right Side Glue Adhesive
The best side glue formula depends on the type of cover material, trim process, and production setup.
We help you evaluate:
- Cover stock – coated, textured, heavy-weight, or recycled
- Desired bond strength and fiber tear
- Glue width and application method
- Open time and set time for your line speed
- Compatibility with existing spine glue and trimming systems
Having trouble with edge lift or cover peeling? Side glue is your solution.
Side Glue Hot Melt Adhesives We Carry
HL7216
HB Fuller
Flexible, slow setting hot melt adhesive used on hard to bond substrates. A suggested application would be lining-up adhesive in bookbinding.
Temp: 350 F
Set Time: Slow
2H858
Swift
Pressure sensitive hot melt adhesive with considerable versatility. It exhibits very low viscosity and good adhesion. Unlike most hot melt adhesives which have limited open time, 2H858 is permanently tacky.
Temp: 310-325 F
Set Time: Permanently tacky
7613
Henkel
Pressure sensitive hot melt adhesive, designed primarily for rotary applied and extrusion applied side glue applications in the bookbinding industry.
Temp: 300-350 F
Set Time: Long
| Brand | Product Name | Description | Temp | Set Time |
|---|---|---|---|---|
| HB Fuller | HL7216 | Flexible, slow setting hot melt adhesive used on hard to bond substrates. A suggested application would be lining-up adhesive in bookbinding. | 350 F | Slow |
| Swift | 2H858 | Pressure sensitive hot melt adhesive with considerable versatility. It exhibits very low viscosity and good adhesion. Unlike most hot melt adhesives which have limited open time, 2H858 is permanently tacky. | 310-325 F | Permanently tacky |
| Henkel | 7613 | Pressure sensitive hot melt adhesive, designed primarily for rotary applied and extrusion applied side glue applications in the bookbinding industry. | 300-350 F | Long |
Related Adhesive Solutions
Pair your side glue with the right spine and finishing adhesives for a complete binding system:
Why Manufacturers Trust Astro
For over 30 years, Astro Packaging has been the go-to partner for adhesives and dispensing equipment across industries. Manufacturers trust us because we deliver reliable products, seamless system compatibility, and responsive service that keeps production lines running.
From hot melt units to complete configured systems, Astro is committed to performance, efficiency, and long-term value.
Experience
Over 30 years delivering trusted adhesive and equipment solutions.
Reliability
Durable systems built to perform under demanding production conditions.
Compatibility
Designed to integrate easily with leading hot melt equipment brands.
Support
Fast, responsive support to keep your lines running anywhere.
Ready to Get Started?
Connect with an Astro Expert
Ready to find the right hot melt adhesive for your business? Contact our team to get expert help or explore our full product catalog.