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| Comparison item | Round particle (spherical) | Cylindrical particles |
|---|---|---|
| specific surface area | Large, melts faster | Slightly smaller, melting slightly slower |
| Liquidity | Excellent, not easily blocked by bridging materials | Good, occasionally bridging |
| bulk density | 0.45-0.55 g/cm³ | 0.50-0.60 g/cm³ |
| Smoothness of feeding | Excellent, automatic feeding | Okay, some need to be lightly tapped |
| Applicable Devices | Melt glue pot/automatic feeding | Both melt glue pot and manual feeding are acceptable |
| Transportation loss | Small friction between particles and less pulverization | Slight wear on edges and corners |
The authenticity of hot melt adhesive essentially depends on batch consistency and whether inferior products are passed off as good. Identify four aspects: channel, appearance, machine, and information. When buying glue, avoid several key points such as refurbished glue, adulteration, and counterfeiting.
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 […]
First, provide a reference scale Based on the estimation of 1 gram of glue consumption per common small and medium-sized cardboard box and single box, one tonHot melt adhesive granulesApproximately one million boxes can be sealed; A single box consumes 2 grams of glue, which is about 500000 pieces. The reason why the range is […]
Directly provide the list: automatic sealing line selectionHot melt adhesive granulesCheck these 7 items The automatic line has a fast pace and continuous operation, requiring much higher stability of the glue than manual operation. Confirm the following 7 items one by one, which can reduce three types of high-frequency faults: gun blockage, wire drawing, and […]
