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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 of methods and application scopes. So, what are the differences between thermosetting adhesives and thermoplastic adhesives? Here is a brief introduction for everyone.

< p > < strong > < a href = "http://www.sunlife888.com" > EVA hot melt adhesive < / a > < / strong > is a kind of thermoplastic adhesive. We know that many adhesives require heating during the bonding process. For hot melt adhesive, heating means melting it. Since hot melt adhesive is solid at room temperature, it can only melt into a liquid state when heated and adhere to the surface of the objects to be bonded.
Thermosetting adhesives also need to be heated during application because under certain temperature conditions, the chemical substances in the components of the thermosetting adhesive will accelerate the chemical reaction and rapidly transform from a linear molecular structure to a network cross-linked structure. Due to the chemical reactions that occur throughout the process, thermosetting adhesives are usually referred to as reactive adhesives.
EVA hot melt adhesive is melted by heating, while thermosetting adhesive is cured by heating. Whether it is hot melt adhesive or thermosetting adhesive, they each have their own advantages and disadvantages and are widely used in their respective fields. Hot melt adhesives are more efficient, and because they are solid at room temperature, they are cleaner and more environmentally friendly.
The procurement risks of industrial chemical raw materials such as chromium powder often occur after placing an order: unclear packaging labeling, incomplete delivery upon arrival, and missing storage and requisition records all increase the difficulty of subsequent traceability. Starting from the procurement handover chain, this article explains how to establish basic control points. Core KeywordsChromium […]
What are the complete steps for wireless bonding (EVA hot melt adhesive)? From milling back, pulling hair, gluing to book pressing and cutting, follow Sunlife’s on-site training to explain the novice process and tipping points.
First, let’s draw the conclusion: it depends on the substrate and temperature resistance Book binding, ordinary paper box sealing, selection Hot melt adhesive granules The EVA products inside are basically sufficient; When encountering difficult to stick plastics such as PP and PE, or packaging that requires low temperature/aging resistance, consider PO (polyolefin) type. The two […]
In the fields of book binding, brochure production, notebook production, etc., flat hot melt adhesive is the core bonding material, and the core demand is concentrated in180 ° flat spread without cracking, resistant to high and low temperatures, firmly bonded, affordable priceThere are numerous printing and packaging enterprises in Guangzhou and its surrounding areas, and […]