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Due to the printing speed is too fast, add too much, high hardness of tap water, ink solvent surface tension size is different, excessive circulation stirring and other reasons lead to the production of foam, ink texture is uniform to ensure printing quality, bubble is destroyed uniformity, will reduce production efficiency.After the foam overflow in the tank, the foam flows into the roller, wet t...
Pressure sensitive adhesive in addition to the adhesive, but also to add adhesive and other auxiliary substances. 1.The adhesive of the pressure sensitive adhesive has rubber or synthetic resin and other materials, its role is to give the adhesive layer enough cohesion strength and adhesion, the dosage is 30%-50%. 2.Viscosifier. Viscosifier rosin and its derivatives, petroleum resin, etc., it...
Now, people's environmental awareness is getting stronger and stronger, and many glue manufacturers are also seeking to transform themselves. Some water-based glue or oil-based glue are produced. Today, we will take water-based glue and oil-based glue as an example to talk about the difference between them. First, the difference between water-based glue and oily glue The first difference is that t...
The fluidity of ink includes viscosity, adhesion, viscoelasticity, and yield value and thixotropy.It mainly depends on the nature of pigment and binder, and its manufacturing process, the content of binder directly affects the fluidity of ink. In the printing press, the flow phenomenon is mainly manifested in the following three aspects: (1) When the container is poured into the ink...
After ink roller output, the flow phenomenon is called ink transfer. In the process of printing, the thickness and uniformity of the ink layer on the surface of the image and text of the plate are achieved by a series of ink rollers. Therefore, the quality of ink transfer is directly related to the ink distribution and distribution, and the smooth transfer of ink in the whole process. Generally sp...
Ink in the transfer, distribution (from the ink hopper ink, after complex transfer and distribution, until the smooth transfer to the surface of the printing sheet to form a blot), the flow phenomenon is called the transfer of ink, it is the main body of ink operation adaptability. The transfer of ink can be understood from two aspects: On the one hand, ink transfer, uniform ink and ink roller tra...
After the ink is transferred to the printing surface by the blanket at a certain printing speed and under a certain printing pressure, the fixation and drying speed of the ink film, as well as the color, gloss, fastness and resistance after film formation, etc. ensure the printing effect, which are collectively referred to as the printing quality suitability of the ink. It mainly includes color, p...
The appearance of non-stick pan provides conditions for healthy cooking with less oil, and also makes cooking utensils more convenient to clean. However, in the non-stick frying pan into life at the same time, the safety of its coating has never been questioned.There are two main coating processes for non-stick frying pans: one is the traditional coating process, Teflon coating (PTFE); The second ...
Water-based single-component protective film adhesive is an environmentally friendly adhesive prepared by using natural polymer or synthetic polymer as adhesive and water as solvent or dispersant instead of toxic organic solvents that pollute the environment.Existing water-based adhesives are not 100% solvent-free and may contain limited volatile organic compounds as additives to their water-based...
Sixteen common types of self-adhesive labels This paper introduces sixteen types of self-adhesive labels commonly seen in daily life. The specific types of self-adhesive labels are as follows： 1. Press smooth writing paper and offset paper labels Multi-purpose label paper for information labels, bar code printing labels, especially suitable for high speed laser printing, also suitable fo...
Water-based glue, when the autumn and winter season, special attention should be paid to anti-freezing treatment, according to different temperatures, the implementation of different solutions. Cautions (1) Pay attention to warmth and anti-freezing when transporting glue: when transporting below 0℃, pay attention to the warmth of the vehicle, and transport below -5℃ is prohibited; (2) Ke...
Protective film glue transfer, there are a variety of factors, I believe that in the work, many teachers will also encounter a similar situation.The phenomenon of the so-called glue transfer is uneven coating or in the process of transportation, the glue shift remains on the surface of the profile, commonly known as glue transfer. Protective film glue transfer can be divided into the followin...
During December 10, 2022, customers from Russia have come to visit our company. Foreign trade manager and relevant personnel warmly welcome our customers, and introduced our product which they are interested in detailedly. Water based glue
Classification and characteristics of screen-printable pressure sensitive adhesives I.Characteristics and performance requirements of screen printing process Screen printing is through a certain pressure to make the printing base material through the holes of the plate to the substrate, the formation of an image or text. In order to achieve good printing adaptability, the physical properties of sc...
Classification and characteristics of screen-printable pressure sensitive adhesives Ⅱ Classification of screen-printable pressure sensitive adhesives Because of the simple screen printing equipment, convenient operation, simple printing, plate making and low cost, for the application of coating pressure sensitive adhesive, also often consider the use of screen printing process to coating.The ...
Screen printing UV pressure sensitive adhesive and screen printing water-based pressure sensitive adhesive, has the following different characteristics: because UV curable pressure sensitive adhesive does not contain water or organic solvent, so it can be cured without heating drying channel, and water-based pressure sensitive adhesive to water as diluent, need a lot of heat to volatilizing water;...
sinograce chemical
Sinograce Chemical is professional technical enterprise providing solutions of surface materials and manufacturing of raw materials. Sinograce Chemical Company is composed of R&D center, Manufacture center, Quality control department, Market center and International trade department. We have been dedicating to research on excellent paint/coating, adhesive for over 15 years. And now still conti...
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