As we all known, in the composition of electronic products, protective film is an integral part in the composition of electronic products, whether mobile phones, cameras or tablets, it must be attached protective film to protect the product screen.
The transparency, flatness, cleanliness of protective film affects the consumer’s impression of electronic products, a good quality protective film will also enhance the electronic products. Most manufacturers have strict process control of protective film products.
1. Material Selection
When manufacturing protective film, it should choose the material more suitable for printing and die-cutting, such as good scratch resistance, good ink adhesion and so on.
2. Production environment control
There are two key points for the protective film quality control—avoid scratches and dirt. To meet these two requirements, firstly it should have a good production environment. Dust-free workshop is very important. The cleanliness of dust-free workshop has Class 100, 1,000, 10,000, 100,000, 300,000 different levels. There are already manufacturers whose dust-free work shop up to Class 10000.
In the dust-free workshop, the biggest source of bacteria and dust is from the operator under dynamic conditions. Therefore, when the operator enters the dust-free work shop, he should wear clean clothes and remove the dust particles attached to the clothes surface.
3. Pack process control
The protective film is packed usually into a roll. The main concern when packing is the cleanliness, so operators are required to wear finger cots. The pack process are also required to be completed in a dust-free workshop.
Mobile phone protective film looks simple and the process is not complicated, but each link requires more stringent. In general, we must always pay attention to cleanliness and avoid bending and scratching protective film.
It is the above details that determine the grade of the product.
Post time: Jan-25-2018
