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Compared to tape,Hot melt adhesive granulesThe seal is clean, residue free, and can pass through automatic lines, making it particularly suitable for food contact packaging such as lunch boxes, paper cup covers, and handbags. Selected correctly, both fast and stable.

| link | key points |
|---|---|
| Melt glue cylinder | Set at the recommended temperature for the brand, do not exceed the upper limit to prevent carbonization |
| coating weight | Sealing position 0.2-0.4 g/section, excessive glue overflow, insufficient opening |
| Press fit | After sealing, maintain pressure for 1-2 seconds before releasing |
| clear the machine | Clean the nozzle at the end of each shift and perform deep cleaning on weekends |
Sunlife hot melt adhesive packaging sealing granules provide food contact compliance versions. Guangzhou Sunlife Trading can send samples according to your box type for trial production before increasing the quantity.
Q1: Will there be oil or soup leakage after sealing?
Selecting the right model and controlling the coating amount, it is normal; The coating surface material needs to be confirmed to be adhesive.
Q2: How to break the seal when it becomes brittle in low temperature weather?
Replace with a low temperature resistant model or increase the adhesive temperature and pressure appropriately.
Pulp molded inner trays (egg trays, electrical liners) often require corrugated outer boxes or positioning cardsDotting and fixingIt has a rough surface and absorbs water, making it easy to overflow and crack if the wrong glue is used. Here is a set of three steps that can be copied directly. Step 1: Choose the right […]
Hot melt adhesive for book and periodical binding, providing a strong and permanent bond, is crucial for book and periodical binding applications. Sunlife offers a wide range of adhesives suitable for various book and periodical binding applications. Book and periodical binding must have high durability, heat resistance and moisture resistance, and the adhesive must provide […]
The performance characteristics of hot melt adhesive for paper packaging: Hot melt adhesive is melted into liquid by a hot melt machine, and then sent to the surface of the carton through the throat and spray gun of the hot melt machine. After cooling, the hot melt adhesive is bonded. It can meet the requirements […]
Let me start with a true story that I’ve been remembering for eight years. In the winter of 2016, a printing factory owner called me at 11 a.m. and started off by saying, “Brother Shu, something big has happened. The 50,000 textbooks I just bound have their adhesive ridges broken on the first page. The […]