
The Advantages of Our Bookbinding PUR Adhesive TZ8101
1. High Initial Tack & Ultimate Bond Strength
SINOHESIVE® TZ8101 is a PUR hot melt adhesive specially developed for modern bookbinding applications. It delivers high initial tack and ultimate bond strength, helping books, magazines, and catalogs achieve durable spine integrity and long-term use performance.
2. Invisible Bond Lines for Premium Appearance
The adhesive forms ultra-thin and transparent bond lines that blend seamlessly with paper edges. It helps create a clean, professional book spine without visible glue marks, making it ideal for high-quality publications and deluxe edition books.
3. Superior Flexibility & Crack Resistance
After curing, the adhesive remains highly flexible even at low temperatures. It allows books to lie flat when opened and helps prevent spine cracking or page detachment after repeated handling.
4. Broad Paper Compatibility
TZ8101 is suitable for coated paper, uncoated paper, art paper, cardstock, book cover materials, and recycled paper. It supports a wide range of bookbinding processes while maintaining stable bonding quality across different paper types.
5. Eco-Friendly & Sustainable
This solvent-free PUR adhesive features low VOC emissions and is compatible with recycled paper. It complies with REACH, FDA, and other international environmental requirements, helping publishers and printers meet modern sustainability goals.

Key Process Description
1. Heating & Melting
SINOHESIVE® TZ8101 is heated to the recommended processing temperature to achieve stable flowability for bookbinding production.
2. Spine Application
The adhesive is applied evenly to the book spine area to form a thin and consistent bond line, helping ensure clean appearance and strong page holding performance.
3. Cover Bonding & Initial Setting
After adhesive application, the text block and cover materials are bonded together under controlled process conditions. The high initial tack helps improve positioning accuracy and production efficiency.
4. Moisture-Curing Crosslinking
After binding, the adhesive reacts with ambient moisture to build long-term bond strength and flexibility. Once cured, it provides durable resistance to temperature variation, mechanical stress, and aging.
Benefits in Bookbinding Applications
Perfect Binding
Ideal for perfect binding applications where strong spine bonding, clean appearance, and long-term durability are required.
Hardcover Binding
Suitable for hardcover book production that demands excellent bonding strength, flexibility, and premium finished quality.
Magazines, Catalogs & Deluxe Edition Books
Helps printers and publishers produce magazines, catalogs, and deluxe edition books with reliable spine performance, better lay-flat behavior, and professional visual appearance.

Packing Details

Available Packaging
We have various packaging options for our PUR hot melt adhesive:
1) 200 Kg / drum, 56 drums / 20'GP
2) 20 Kg / pail or barrel, 448 pails / 20'GP
3) 2 Kg / can
4) 300 ml / cartridge

Company Information
Sino-Adhesive provides PUR hot melt adhesive solutions for bookbinding and other graphics industry applications. We help customers improve bonding quality, production efficiency, and finished-product durability in modern printing and binding lines.
With continuous focus on PUR adhesive technology, Sino-Adhesive offers innovative and efficient bonding solutions for a wide range of industrial applications. Welcome to contact us for customized bookbinding adhesive solutions.

FAQ
What is SINOHESIVE® TZ8101 used for?
SINOHESIVE® TZ8101 is a PUR hot melt adhesive developed for bookbinding applications such as perfect binding, hardcover binding, magazine binding, catalog production, and deluxe edition books.
What materials can TZ8101 bond?
It is suitable for coated paper, uncoated paper, art paper, cardstock, book cover materials, and recycled paper.
Will this adhesive keep the book spine clean and flexible?
Yes. It forms ultra-thin transparent bond lines for a clean spine appearance and remains flexible after curing, allowing books to lie flat and resist cracking during repeated use.
Is TZ8101 an eco-friendly bookbinding adhesive?
Yes. It is solvent-free, low in VOC emissions, compatible with recycled paper, and compliant with REACH, FDA, and other international environmental requirements.
What are the basic parameters of TZ8101?
According to the current product page, SINOHESIVE® TZ8101 is a PUR Hot Melt Adhesive with viscosity of 4500–5500 mPa·s at 110°C, recommended processing temperature of 100–130°C, and open time of 5 minutes.
Do you provide TDS and technical support?
Yes. For TDS details, please contact us. We can also provide technical support according to your paper type, binding process, and production conditions.