Do you want to know about screen printing? Check out this section of our web site totally devoted to screen printing!
Evaluating the quality of a direct-emulsion stencil before it is on press is a difficult task. Pinholes and edge defects might be uncovered with illumination and magnification, but overall stencil quality and flatness are impossible to measure. After many months of research, a test has been established that can evaluate the relationship between the emulsion and the mesh.
This study looks at the effects of drying temperature on screen tension. The results show that drying at higher temperatures created lower tensions on screens before they were printed.
Screen printing is the media of printing that best allows versatility in its wide range of application and performance capabilities. Not only can the process be applied to an incredibly wide range of materials, objects and configurations, but you can also vary the deposit to produce film thicknesses of color that no other printing process can obtain.
Whatever your experience with epoxy screen printing inks, the following information will, hopefully, help you to determine the proper epoxy for your next requirement.
First, I want to touch briefly on the metals that are used in the screen printing industry. Pound-wise, the major one would be steel as supplied by both domestic and foreign manufacturers. If you buy steel from the mill, you can specify cold-rolled dry steel. Dry means oil-free. It is relatively clean.
Why is knowledge of UV chemistry so important to a screen printer who either uses UV inks right now or is going to use them? Simply because UV inks are part of the UV technology, and use of UV inks should be viewed rather as an application of UV technology in screen printing. UV technology consists of three major elements: UV ink, UV reactor (or UV processor) and substrate.
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