What Are 7mm Colored Hot Melt Glue Sticks? And Why Are They So Popular?
Simply put, 7mm colored hot melt glue sticks are solid adhesive rods, 7 millimeters in diameter, that melt almost instantly when heated. They are commonly used with various DIY glue guns. This isn't your ordinary liquid glue; it's a "thermoplastic adhesive" that melts under high heat (approximately 160°C–200°C) and forms a strong bond upon cooling. ✅
Their popularity stems from three key advantages: Fast, Precise, and Beautiful.
Fast: Heats up in seconds, ready to use much quicker than liquid adhesives.
Precise: Offers high bonding strength, capable of withstanding everyday stress and pull.
Beautiful: The key feature – it comes in a rainbow of colors! Red, yellow, blue, green, purple... These vibrant, fade-resistant colors instantly elevate the look of handmade crafts, making them the perfect finishing touch for scrapbooks, plush toys, and photo frame decorations. 🎨
How to Read the Core Specifications? Choose Right to Avoid Pitfalls!
Don't just pick based on "pretty colors." The real factors determining performance are these hard indicators:
🔹 Melting Point Range: High-quality sticks typically melt between 170°C and 190°C. Too low, and the bond is weak; too high, and it can char or produce unpleasant odors.
🔹 Bonding Strength: Opt for "High-Viscosity" products for strong adhesion to materials like wood, PP/PE plastics, and felt. This is especially important for outdoor use or load-bearing structures.
🔹 Length & Density: A standard stick is about 15cm long and weighs approx. 10g. Buying a 100-pack often offers better value for frequent creators.
🔹 Eco-Friendly & Odorless: Prioritize products certified by SGS/ROHS. They minimize irritating smells, making them safer for children's crafts or indoor use.
Who Are They For? 3 Popular Use Cases Explained
✨ Craft Enthusiasts & DIYers: Perfect for making yarn dolls, holiday lights, photo frame collages. A squeeze and a press with a colored glue stick, and your project sets instantly. It saves time and effort, with no worry about slow-drying glue.
📚 Students & Educational Settings: A favorite for school art classes and craft clubs! Heats safely (most guns have auto-shutoff), the colors are engaging for kids, and it makes the teacher's job easier.
🏠 Home Repairs & Small Projects: Ideal for temporarily fixing a loose doorknob, repairing broken plastic items, or securing a picture frame hanger. Far more reliable than double-sided tape! Using a dark-colored stick on wood hides traces naturally.
Usage Tips & Common Mistakes – Easy for Beginners
💡 Don't Overheat: Preheat your glue gun for just 2-3 minutes. Excessive heat can cause the glue to blacken, reduce stickiness, and potentially create unpleasant fumes.
💡 Avoid Dry-Firing: Don't keep squeezing the trigger when the gun is empty. This can damage the internal heating element. Clear old glue residue before use.
💡 Match Color to Material: Use light-colored sticks on fabric to hide traces; use brown or black on wood for a more natural blend.
💡 Keep Away from Children and Pets: While eco-friendly sticks are safer, the gun nozzle gets very hot. Always store the tool and sticks out of reach.
ABOUT US
Zhejiang Good Adhesive Co., Ltd was established in 1996 in China, covers an area of more than 10000 square meters with annual output of 30000tons of environmental friendly hot melt adhesive series products base on EVA, polyolefin, elastomer, polyurethane, PA and animal protein.
Professional team
We have our own lab and R&D team, can provide you technical supports at any time.
Wide application range
The main application industries of hot melt adhesive include book binding, product packaging, filter, furniture, automobile, medical, aerospace, rail transit and other industries.
30000+Tons
Annual output
8
Production Line
100+M
Annual output value
500+
Business partner
1950-01
Material Office of Zhejiang Rezzsearch Institute of Chemcal Industry.
1990-11
Zhejiang Yida Adhesive Co.,Ltd. established.
2009-10
Zhejiang Good Adhesive Co.,Ltd. established.
2020-08
Guangzhou Gute Adhesion Co.,Ltd established.
2021-01
Completion of share reform.
Establish Shanghai Gute New Material Intelligent Manufacturing Research and Development Center.
Complete the renovation of equipment intelligent manufacturing -3.0, with an annual production capacity of 18000 tons.
2022-04
Establishment of Branch Hubei Gute Chemical New Material Co.,Ltd.
2023-02
Establishment of Jiangsu Gute New Material Technology Co., Ltd.
Companies We Have as Clients
We are looking for a cooperative partner to expand our business.
