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Wholesale alubond aluminum composite panel priceIntroduce the knowledge of aluminum composite panel surface bubbling

Wholesale alubond aluminum composite panel priceIntroduce the knowledge of aluminum composite panel surface bubbling

  • Categories:Industry News
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  • Time of issue:2022-02-01 08:06
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(Summary description)The bubbling on the surface of the aluminum composite panel is that the core board has granular infusible materials when the core board is extruded. When the average diameter of these infusible materials is large to a certain extent, it will protrude from the surface of the core board, and the composite will cause the board surface. Bubbling phenomenon.

Wholesale alubond aluminum composite panel priceIntroduce the knowledge of aluminum composite panel surface bubbling

(Summary description)The bubbling on the surface of the aluminum composite panel is that the core board has granular infusible materials when the core board is extruded. When the average diameter of these infusible materials is large to a certain extent, it will protrude from the surface of the core board, and the composite will cause the board surface. Bubbling phenomenon.

  • Categories:Industry News
  • Author:
  • Origin:
  • Time of issue:2022-02-01 08:06
  • Views:
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How much do you know about the bubbling of aluminum composite panels? Today, the Wholesale alubond aluminum composite panel price editor will take you to a brief understanding.


The bubbling on the surface of the aluminum-plastic board is that the core board has granular infusible materials when the core board is extruded. When the average diameter of these infusible materials is large to a certain extent, it will protrude from the surface of the core board, which will cause the board surface when compounding. Bubbling phenomenon. When we peel off the aluminum plate, we will find that there are signs of poor adhesion around the bubbles. The reason for this sign is that when the bubbles are being rolled and compounded, the air around the bubbles cannot be completely squeezed out and clamped. In the middle of the layers, a thin layer of air prevents the layers from being fully bonded. These infusibles may be other impurities mixed in the plastic particles, or other plastic particles. The melting point of these plastics is much higher than that of polyethylene, which cannot be melted in the screw barrel and is blocked on the side of the stainless steel wire mesh. , when the aggregation reaches a certain level, it will cause the extrusion back pressure to increase, so that the filter screen is broken and the core board is extruded together to cause bubbling. If the particle size of the infusible material is too large, it may be stuck in the die, forming a deep imprint on the surface of the extruded core board, which will also cause quality problems on the board surface.
For the production of thin plastic sheets, it is necessary to use multiple layers of a certain number of stainless steel wire meshes for filtration. For aluminum-plastic core panels, an orifice plate with a certain aperture that is much smaller than the thickness of the plate can be used to filter without causing breakage. Generally, it can be Solve the bubbling problem.
The above is the Wholesale alubond aluminum composite panel price editor's description: a brief introduction to the little knowledge about bubbling on the aluminum composite panel surface.

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