Products & Solutions

Binding hot melts

TOYOMELT™ TM Series

The hot melts TOYOMELT ™ TM series for bookbinding is a specialized hot melts for bookbinding applications, available in both back and side glue. In addition, we have a wide range of product lineups that meet your needs, such as general-purpose types, strong adhesive types, and low-temperature coating types, and we have a lot of experience in the bookbinding market.
In addition, products for backing glue have passed the "difficult tearing test" and correspond to the A rank of the "Guidelines for the Production of Recyclable Printed Materials" stipulated by the Japan Federation of Printing Industries. It is an environmentally friendly hot melts that is recyclable.

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.