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What are the characteristics of polyurethane resin for printing ink?
Apr 06 , 2023
1. Excellent yellowing resistance During the preparation process, polyurethane resin for printing ink is mainly synthesized from aliphatic polyester and aliphatic isocyanate as the main raw materials. Compared with aromatic polyurethane, it has excellent optical stability and excellent yellowing resistance after film formation. 2. Excellent adhesion fastness to film substrates The polyurethane res...
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What is the Difference Between Water Based and Oil Based Paint?
Dec 25 , 2024
Water based paint is often referred to as latex paint or acrylic latex paint. It contains a plastic resin that allows it to better adhere to walls. This and the paint pigments are suspended in water. Meanwhile, oil based paint consists of the particles of paint pigments suspended in an oil, which is typically linseed oil. Thus, the primary difference in composition is the added resin in water base...
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How many types of ink performance tests are there？
May 14 , 2025
Ink is widely used in daily life. The quality of ink directly affects the use effect. Do we have any method to test the quality of ink? What data do we need to test? Here we will learn how to test ink performance. Table of Contents 1. Ink Gloss Testing 2. Ink Viscosity Testing 3. Ink Adhesion Testing 4. Ink Fineness Testing 5. Ink Color T...
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