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Hot Melt Adhesive: The Mystery of Adhesion, Taking You to Deeply Understand“
Dear friends, have you ever encountered a situation where your purchased items suddenly fall apart and you pick up the glue, only to find that it has expired or stopped working? At this point, you may need a magical glue - hot melt glue!
Let's get to know hot melt glue together. Hot melt adhesive is a type of adhesive that becomes soft and viscous after heating, and solidifies after cooling. Unlike common adhesives, hot melt adhesives do not require solvents and do not produce harmful gases, making them safe and environmentally friendly. Moreover, its adhesive strength is very strong, and it can bond various materials such as wood, plastic, fabric, etc.
So, how can we make the hot melt adhesive bond more firmly? In fact, the key to bonding lies in two aspects: temperature and pressure. First, ensure that the temperature of the hot melt adhesive is moderate, neither too high nor too low. Excessive temperature can cause the glue to carbonize and lose its stickiness; If the temperature is too low, it will make the glue too thin and unable to effectively bond. Secondly, we need to apply appropriate pressure to make the bonded surface in close contact. Insufficient pressure and weak adhesion; Excessive pressure may damage the bonded material.
In addition, to achieve the best bonding effect, we also need to pay attention to the following points:
1. Clean the surface to be bonded. Remove oil and dust to ensure a clean surface.
2. Choose the appropriate hot melt adhesive. Different application scenarios require different types of hot melt adhesives, such as woodworking, textiles, electronics, etc.
3. Control the work environment. Keep the working environment dry and ventilated, avoiding dampness and dust.
4. Properly stored. Avoid direct sunlight and high temperature environments, ensuring a dry and cool storage environment.
So, how to use hot melt adhesive correctly? It's actually quite simple! Firstly, place the hot melt adhesive stick into the hot melt adhesive gun and heat it. After the glue stick completely melts, it can be applied to the surface being bonded. Then, apply appropriate pressure to tightly bond the two surfaces. Finally, wait for cooling and solidification.
Have you gained a deeper understanding of hot melt adhesive after reading it? Next time you encounter situations that require strong adhesion, why not try hot melt adhesive! Choose the appropriate type, control the temperature and pressure well, and you can also become a bonding master!
   2024-3-15
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