TOYOMELT™ TM Series
TOYOMELT ™ TM series is a hot melts specialized for bookbinding applications, and is available for both back glue and side glue. In addition, we have a wide product lineup that meets your needs, such as general-purpose types, strong adhesive types, and low-temperature coating types, and we have many achievements in the bookbinding market.
In addition, the product for back glue has cleared the "difficult-to-tear test" and corresponds to the A rank of the "Guidelines for Producing Printed MatterCompatible with Recycling" defined by the Japan Printing Industry Association. It is a recyclable and environmentally friendly hot melts.
- Application example
- TOYOMELT™ TM Series main products list
- Reactive hot melts (PUR-HM) for Bookbinding Back Glue
Application example

Bookbinding applications (back glue and side glue)
TOYOMELT™ TM Series main products list
Product name | Applications | Softening point | Open time (seconds) | Features |
---|---|---|---|---|
TM-2602 | Back glue | 107 | 10 s to 12 s | General purpose type, low generation of oil smoke |
TM-2780 | Back glue | 104 | 8 s to 9 s | Excellent resistance to solvents and peeling of cover paper |
TM-2486 | Back glue | 93 | 8 s to 9 s | Excellent hue change over time (good heat resistant hue) |
TM-894 | Side glue | 89 | 14 s to 16 s | General-purpose type, yarn pulling reduction |
In addition to the above products, there are a wide range of lineups depending on the application and coating environmental.
Reactive hot melts (PUR-HM) for Bookbinding Back Glue
For bookbinding applications, in addition to TOYOMELT™ TM series above, we also offer TOYOMELT™ UM series, a reactive hot melt (PUR-HM) specialized for back glue.
Reactive hot melts is a adhesives that chemically react after heating and dissolving by causing a chemical reaction with moisture contained in air or paper, and then harden. Compared to conventional EVA-based hot melts adhesives, it has a strong adhesive strength, excellent spreadability, heat andcold resistance which makes it possible to make books that open well to the knod side, that are durable and long lasting.
TOYOMELT ™ UM Series Main Products for Bookbinding Back Glue
Product name | Appearance | Viscosity 125℃ (mPa・S) | Set time | Solidification rate | Residual MDI (%) | Applications/features |
---|---|---|---|---|---|---|
UM-7032 | Milky white | 7100 | 20~22 | 4 min 15 s | <1 | For bookbinding/MDI reduction product |
UM-7335B | Yellow | 7300 | 26~28 | 4 min 45 s | 2~3 | For bookbinding |
In addition to the products listed above, we have a wide range of products with different adhesion strengths depending on the type of paper base material and application.
Inquiries
TOYOCHEM CO., LTD. Packaging and Industrial Materials Sales Division Address Sales Department
TEL: +81-3-3272-3497