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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 |
Direct answer: In most cases, local ventilation is required. Whether to install treatment equipment depends on the emission level and local requirements Hot melt adhesive granulesBelonging to solvent-free adhesives, VOC emissions at normal construction temperatures are much lower than solvent based adhesives, and large-scale treatment facilities such as RTO and activated carbon adsorption are usually […]
By focusing on six things, book and magazine printing factories can control costs and ensure stable supply through centralized procurement of hot melt adhesive granules: clarifying annual usage, locking technical parameters, supplying in batches at locked prices, setting safety stock, establishing acceptance standards, and building alternative suppliers. The following list can be directly used as […]
In many manufacturing scenarios such as book binding, color printing packaging, cardboard box leather goods, paper cultural and creative industries, granular hot melt adhesive has long become a “necessary auxiliary material” for automated production lines.Compared to liquid glue, granular hot melt adhesive is solvent-free, fast curing, stable viscosity, and low loss. It is suitable for […]
The demand for hot melt adhesives continues to grow. The hot melt adhesive industry has been growing steadily. According to a recent report, it will continue to grow steadily from 2020. This report aims to analyze the growth of the global hot melt adhesive industry during the forecast period from 2015 to 2020, and to […]
