How to choose and use the blanket correctly in green printing
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From the source, the first thing that printing companies implement green printing is the consumables. In recent years, various green printing consumables, such as green printing blankets, alcohol-free fountain solutions, water-based adhesives, etc., have gradually entered the green channel of corporate procurement. Today, let's start with a green printing blanket to learn more about how to properly select and use a blanket.
What is a green printing blanket
The green printing standard clearly stipulates that “the raw materials such as ink, varnish and blanket should not be added with 6 kinds of phthalate substances, namely DINP, DNOP, DEHP, BBP, DBP, DIPD.” The fat-soluble synthetic organic compound is a low molecular weight phthalate compound that pollutes the environment and causes various degrees of harm to human health.
Therefore, in order to ensure that the raw and auxiliary materials they use are green and environmentally friendly, the printing companies will ask the raw and auxiliary materials manufacturers for green environmental protection certificates.
According to the deployment of the Ministry of Environmental Protection and the General Administration of Press, Publication, Radio, Film and Television, raw and auxiliary materials manufacturers must first carry out SGS certification and SMDS certification (product safety technical specification) for 6 phthalates.
For printing blankets, printing blanket manufacturers are required not to use the raw materials containing the above six phthalate materials to produce blankets, and in the production process of printing blankets, according to green environmental standards Three waste treatment and noise control make it meet the standard.
How to choose and use the blanket correctly
Although the green printing blanket is somewhat different from the ordinary blanket in the production process, it is not much different from the ordinary printing blanket in use.
When choosing a green printing blanket, you need to do the following two things.
First, pay attention to the characteristics of the printing blanket desired by the printing machine, such as good ink transfer, flatness of the ground and color, good paper-off property, easy cracking of the surface rubber, proper tearing and glazing, paper edge marks. Clearing, smooth paper feeding, etc.;
The second is to choose the right blanket, first of all according to the corresponding printing conditions, and then choose the printing blanket brand.
When using a green printing blanket, pay attention to the following four points.
One is to pay attention to the combination of printing blanket pads;
The second is to pay attention to the thickness of the printed blanket lining;
The third is to properly install the blanket;
The fourth is to pay attention to the cleaning and maintenance of the printing blanket.