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Knowledge of aluminum veneer

  • Categories:Industry news
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  • Time of issue:2017-05-21 09:50
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(Summary description)

Knowledge of aluminum veneer

(Summary description)

  • Categories:Industry news
  • Author:
  • Origin:
  • Time of issue:2017-05-21 09:50
  • Views:
Information

 

1. Material and structure of aluminum veneer:

    Aluminum veneer is a new type of decorative material, which has a series of excellent properties. It has been widely used in curtain wall, interior and exterior decoration and other fields soon after its introduction.

    The so-called aluminum veneer refers to a plate made of aluminum and plastic. Specifically, the aluminum plate and the plastic core material are bonded and compounded by a special adhesive under a certain process condition. In fact, it is generally used to paint the front and back aluminum plates, and then compound with the plastic core material. The front panel is generally coated with a decorative coating, and the back panel is coated with a protective coating.

    Regarding the structure of aluminum veneer, it is generally a sandwich-type structure. This is a comparative metaphor. A plastic core is sandwiched between the two aluminum plates. In fact, the structure of aluminum veneer is much more complicated.

Classification and specifications of aluminum veneer:

1. Classification of aluminum veneer:

    There are many types of aluminum veneer and it is a new type of material. Therefore, there is no unified classification method so far, and it is usually classified according to use, product function and surface decoration effect.

(1) Classified by purpose:

a. Aluminum veneer for building curtain wall:

    The minimum thickness of the upper and lower aluminum plates is not less than 0.50mm, and the total thickness is not less than 4mm. The aluminum material should meet the requirements of GB / T 3880. Generally, aluminum alloy plates of 3000, 5000 and other series should be used, and the coating should be fluorocarbon resin coating.

b. Aluminum veneer for exterior wall decoration and advertising:

    上、下铝板采用厚度不小于0.20mm 的防锈铝,总厚度应不小于4mm。涂层一般采用氟碳涂层或聚酯涂层。

c. 室内用铝单板:

    上、下铝板一般采用厚度为0.20mm,最小厚度不小于0.10mm 的铝板,总厚度一般为3mm。
    涂层采用聚酯涂层或丙烯酸涂层。

(2)按产品功能分类:

a. 防火板:

    选用阻燃芯材,产品燃烧性能达到难燃级(B1 级)或不燃级(A 级);同时其他性能指标也须符合铝单板的技术指标要求。

b. 抗菌防霉铝单板:

    将具有抗菌、杀菌作用的涂料涂覆在铝单板上,使其具有控制微生物活动繁殖和最终杀灭细菌的作用。

c. 抗静电铝单板:

    抗静电铝单板采用抗静电涂料涂覆铝单板,表面电阻率在109Ω 以下,比普通铝单板表面电阻率小,因此不易产生静电,空气中尘埃也不易附着在其表面。

(3)按表面装饰效果来分类:

a. 涂层装饰铝单板:

    在铝板表面涂覆各种装饰性涂层。普遍采用的有氟碳、聚酯、丙烯酸涂层,主要包括金属色、素色、珠光色、荧光色等颜色,具有装饰性作用,是市面最常见的品种。

b. 氧化着色铝单板:

    采用阳极氧化及时处理铝合金面板拥有玫瑰红、古铜色等别致的颜色,起到特殊的装饰效果。

c. 贴膜装饰复合板:

    即是将彩纹膜按设定的工艺条件,依靠黏合剂的作用,使彩纹膜黏合剂在涂有底漆的铝板上或直接贴在经脱脂处理的铝板上。主要品种有岗纹、木纹板等。

d. 彩色印花铝单板:

    将不同的图案通过先进的计算机照排印刷技术,将彩色油墨在转印纸上印刷出各种仿天然花纹,然后通过热转印技术间接在铝单板上复制出各种仿天然花纹。可以满足设计师的创意和业主的个性化选择。

e. 拉丝铝单板:

    采用表面经拉丝处理的铝合金面板,常见的是金拉丝和银拉丝产品,给人带来不同的视觉感受。

f. 镜面铝单板:

    铝合金面板表面经磨光处理,宛如镜面。

2. 铝单板的规格:

    普通铝单板常见规格如下:

 a. The total thickness is 3mm, 4mm, 6mmb. Width 1220mm, 1500mmc. Length 1000mm, 2440mm, 3000mm, 4000mm, 6000mmd. Aluminum veneer with size 1220 * 2440mm is called standard board in the industry.

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