TPU embossing machine Production.Method for Identifying the Quality of Raw Materials for the Packaging Belt of the Embossing Machine

　　1. Viewing colors: Regardless of the color of the packaging tape raw material, as long as it is transparent, it is better than opaque.

　　2. Smell its odor: Light it with a lighter, blow it out after 3 seconds, and then smell its smoke to distinguish it from the new PP material.

　　3. Biting with teeth: We need to first experience the strength of PP recycled material before we can compare it. If it is relatively soft, then PE must be added to it.

　　4. Look at the gloss: If the gloss is not good, it is definitely not as good as the gloss. The gloss is actually the color of the material itself, just like the skin color of us humans, and the color of the raw material itself.

　　5. Check its wire drawing condition: After blowing out the fire, quickly contact the molten body with an iron object, and then quickly pull open to see if the wire formation is uniform. If it is uniform, it indicates good material. After repeating the drawing several times, overlap the wire and pull it open again to see if it has elasticity. Can it be pulled open again and continuously? If it is not broken or if it breaks after a distance, it is good material.

　　6. Look at the section of the incision: the section is rough and dry with no luster, and the material quality is poor.

　　7. Observe its floating situation: put the raw materials into the water, if it is submerged, it indicates that it is not a good material.

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