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Oil resistance testing caused by food packaging returns A certain food packaging factory received a batch of returns: 2000 sealed paper boxes experienced seal delamination and leakage within 48 hours after being filled with edible oil. The factory director immediately suspected thathot melt adhesive pelletsQuality issue, but the problem persists even after changing to another […]
Background: Three lines merge into one, but the glue doesn’t match A packaging factory in the Pearl River Delta, in order to save manpower, merged the original three sealing lines into a mixed production line, and ran the cardboard boxes from 3-layer small boxes to 5-layer heavy boxes together. In the first week of merging, […]
What is hot melt adhesive? Hot melt adhesive is the name of any polymer based adhesive applied in a molten state. The application of adhesives is usually through industrial glue guns, which act by triggering actions or finger pressure. Due to its versatility, hot melt adhesive is used in various environments, including packaging, binding, carton […]
Direct answer: The real reason for the intermittent sealing line on this sealing line is the bridging of the feeding port of the melt glue pot, which causes the liquid level to intermittently decrease, and the carbonization residue inside the nozzle is partially blocked. After cleaning the pot and changing the material+adjusting the feeding method, […]
