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The overall scale of this year’s top 100 list is as follows:
The total added value of the top 100 industrial enterprises: 29.7 billion yuan (provided by 95 companies)
The total assets of the top 100 companies amount to 174.5 billion yuan.
The total profit of the top 100 companies: 10.1 billion yuan (provided by 95 companies)
The total foreign processing trade volume of the top 100 companies: 18.1 billion yuan (47 companies)
The total number of employees in the top 100 is 149,300.
Hot melt adhesive sticks to knives and solidifies slowly, mostly because the glue is not yet cured and is hit by cutting knives or pressure plates. Inspect and handle from four aspects: temperature, machine speed, environment, and adhesive layer.
Recycled kraft paper boxLow surface energy, high dust content, and easier detachment after moisture absorptionDirectly applying the sealing glue of the original cardboard box often opens the glue. The conclusion is:The regeneration box should be selected with “high initial adhesion, moisture resistance, and moderate penetration” sealing special rubber particlesAnd perform surface treatment before applying glue. […]
Is EVA hot melt adhesive a thermoplastic adhesive or a thermosetting adhesive? Many people who are not very familiar with adhesives do not know the difference between thermosetting adhesives and thermoplastic adhesives. These two types of adhesive products have essential differences, and it is precisely because of these differences that they vary greatly in terms […]
When pasting hardcover book cover cloth (flower cover cloth on both ends of the spine), it should be selectedHot melt adhesive particles for book and magazine binding with high initial adhesion, short opening time (3-6 seconds), and softening point of 80-95 ℃This process requires a small amount of glue, a narrow area, and quick positioning. […]
