How to protect the surface of the glass?
[China Glass Network] In daily life, the use of glass kiln is very extensive, and its use and function are also huge. However, if it is not properly protected, it will cause loss to the glass. In order to reduce the scratch and mildew of the finished glass, surface protection measures should be taken when the glass flows to the cold end: coating mildew proofing, spreading paper, dusting, purging broken glass shavings, and adopting speed before and after lateral cutting. Roller and air cushion transport.
1, glass mildew treatment mold mildew will affect a lot of performance; reduce the transparency of the glass, affect the optical performance, the appearance of deterioration, can not be used for coating, mirroring and other deep processing procedures; reduce the mechanical strength of the glass; severe mold, appear dip The whole box of glass is scrapped. At present, the cold-end method for preventing mold on the glass mainly includes a paper-holding method, a mildew-proof powder method, and a mold-proof liquid method.
The paper-laid paper can absorb water and prevent a large area of ​​the water film from forming on the surface of the glass, thereby effectively preventing the surface of the glass from being moldy. The protective effect of the paper is increased as the mass per unit area of ​​the paper increases. The paper-clamping method has a certain anti-mildew effect, but the effective anti-mildew period is short, and the storage exceeds the expiration date. The acid anti-mold paper will produce a "paper pattern" on the glass, which is difficult to clean. It can be manually jammed in the box, or it can be laid in the spreader after cutting.
The mold-proof powder method sprays mildew-proof powder on the surface of the glass, which is a cost-effective and simple surface protection measure and is widely used. Static electricity is applied to the powder before the powder is sprayed, so that the powder is uniformly distributed and firmly adsorbed on the surface of the glass plate.
Anti-Molding Liquid Method This method utilizes the pressing effect of divalent ions, while at the same time making water vapor not easily condense on the surface of the glass, and forms a strong waterproof layer on the surface of the glass and does not have a "paper grain". There are two methods of application: one is to spray the mold-proof liquid onto the upper surface of the glass in the form of a mist; the other is to apply the mold-proof liquid to the surface of the glass with a coating roller coated with soft rubber. The applied mold-proof liquid can be naturally dried.
2, the main reason for preventing glass surface abrasion is the relative displacement between the glass plates and between the glass and other equipment during the production and transportation of the glass. The blower cleaning device generally has a blower cleaning device to purify the glass surface after the end of the subsequent crushing process. The hardness of the paper is much smaller than the hardness of the glass surface, and there is a glass plate between them, which can avoid mechanical abrasion caused by the sliding of the glass plates. The air cushion conveyance is in a state of air floating due to the glass conveying process, and there is no relative mechanical movement with the conveying device, thereby avoiding mechanical abrasion of the glass surface.
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