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How to solve the common problems in the process of anti fingerprint oil construction

发布者:管理员   日期:2019-10-15

Anti-fingerprint oil is widely used in mobile phones, cameras, DV cameras and other high-quality digital products such as metal frame coating, ceramic products anti-slip anti-slip and stainless steel appearance anti-fingerprint anti-fouling. Excellent wear and scratch resistance; widely used in: high quality stainless steel, hard aluminum, aluminum alloy, brushed aluminum, magnesium alloy plate, chrome plated, titanium coated metal and other difficult materials. It can also be used as a lacquer finish with a variety of primers or paints. The advantages of stainless steel anti-fingerprint oil have been introduced in the front. Here, we have compiled a series of countermeasures for dealing with common problems in the construction of anti-fingerprint oil:

Common problems in the construction of anti-fingerprint oil are divided into two categories,
One: performance, such as poor adhesion, hardness, cracking and so on.
Performance problems, poor adhesion, hardness can cause the anti-fingerprint oil to be painted off. In the previous section, we have analyzed the reasons for the anti-fingerprint oil coating. The first reason is that the product substrate is not cleaned. Oil baking, oil stain, wax, dirt, dust) Baking temperature is not baked according to the normal product baking temperature. If the temperature exceeds the rated temperature, the coating will become brittle, less than the rated temperature, and the hardness of the coating will not be easily scratched.
Second: the appearance, such as shrinkage hole oil pit, pinhole pitting, particles, orange peel, sag and so on. 1. The reason why the shrinkage hole is the most basic of the shrinkage hole is that the substrate is poorly wetted, and the coating cannot be spread on the coated surface. There are several reasons for this in detail:

1 The substrate is too dirty and the oil is not completely removed. 2 An anti-oil agent is added to the primer. 3 The oil is too strong, the application viscosity is too high, and the spray film thickness is too thin. 5 spray too dry. 6 tightening air purification is not complete, oily water. 7 The construction environment itself is polluted, and oil repellents are often used during the spraying process.

2, pinhole pitting
The main reason for this phenomenon is that the bubble is cracked outside the film, and the paint film is too late to level. The details are as follows: the bottom paint is not matched; the primer is sprayed too dry, resulting in a rough appearance; the primer is not solvent resistant; the primer is not dry; the varnish is too viscous; the spray is too dry; the preheating time is not good; The preheating temperature is too high; the preheating time is too long; the tightening air purification is incomplete, and the oil contains water.

3, particles
There are about two types, one is bubble point and the other is dust spot. The detailed reasons are: the substrate is not completely dusty; the primer is sprayed too rough; the paint is too thin; the paint is sprayed too thin; the environment is not clean and dusty; the compact air purification is incomplete, the oil contains water; the spray gun is poorly atomized; It is too strong; the leveling time is too short.
BEYINE TECHNOLOGY(SZ)CO.,LTD.
Contact: Mr.Huang
Mobile:18123928085
Tel:0755-36850088
Fax:00852-81690207
E-mail:2501625599@qq.com
Website:www.beyine.cn
Add:No. 19, Fortress Road, Lisonglang, Gongming Street, Shenzhen
友情链接: 精密五金配件 条码打印机厂家 贴片自恢复保险丝 喷粉电泳丝 单双面铝基板 4k液晶拼接屏
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