[China Aluminum Industry Network] industry insiders believe that aluminum alloy profiles are mainly caused by unqualified, the main problems are shown in the following areas:
1, cut corners. In order to achieve the goal of reducing production costs, manufacturers cut corners in the production process, or the quality of the used molds is not qualified, which directly leads to the failure of the wall thickness of the aluminum alloy profile bars.
2, not strict. As the manufacturer does not strictly control the raw materials, the content of chemical elements in the raw materials does not meet the required content requirements, or impurities are mixed during processing with the raw materials, resulting in excessively excessive chemical element content of the produced aluminum alloy profiles.
3, the measurement is not timely. During the aluminum alloy coating process, the concentration of the solution used was not formulated according to the specified requirements, and the concentration of the solution was not timely or accurately measured. As a result, the oxide film was thin and could not reach the standard thickness.
4, raw materials mixed. Nowadays, many aluminum companies have not yet established their awareness of relying on quality to compete with the market. Although most companies have the ability to produce qualified products, some companies have taken measures to reduce oxidation time in order to reduce costs and participate in market competition at low prices. Alternatively, recycled aluminum or mixed aluminum with different components may be incorporated into the raw materials produced.
5, fraud. Because producers and distributors use weight as the basis for settlement, and distributors, users, and consumers use area as the basis for settlement, it is not uncommon for wall thickness to be a major issue.
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