Products & Solutions

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

Bookbinding applications (back glue and side glue)

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.

Click here for details of the TOYOMELT™ UM series

Inquiries

TOYOCHEM CO., LTD. Packaging and Industrial Materials Sales Division Address Sales Department

TOYOCHEM CO., LTD.