The hidden images or patterns have a lower tone, color paper wholesaler intensity of the image or pattern with the waterproofing agent or a mixture of the amount of change. Before dyeing the paper, if it is visible images or patterns, paper staining, the previous image or pattern to enhance the color, thus forming a special effect, referred to as non-uniform color pattern paper color strength.

3.3 Special features color paper wholesaler

3.3.1 Anti-myopia, strabismus and raising purposes color paper wholesaler

Use water green color effects of paper printing, the color paper wholesaler slightly lighter, paper containing fruit flavor, and in the text of the blank side of printed various patterns, such as wheat, corn, soybeans, color paper wholesaler canola and other small animals or watermark paintings, water Indian painting and pictorial color paper wholesaler is paler. This Shuilv paper without glare back light, low light without shade. Soft natural light throughout the writing, writing clear, can relieve eye fatigue caused by long-term reading and prevention for young people because white reflective caused myopia, strabismus, color paper wholesaler astigmatism, amblyopia and other vision disorders. Book pages printed watermark pattern increases students' sense of fun, when reading the book circulated fruity adjustable reader's emotions, color paper wholesaler to enable students to love books, love reading, color paper wholesaler do not wink, no irritability, virtually turned into books children , and further develop a love of learning good habits.

3.3.2 Dye functional color paper wholesaler

The titanium dioxide, chrome yellow, color paper wholesaler iron oxide red powder added to the chemical fiber, color paper wholesaler can shield the excessive ultraviolet radiation. Found using computer simulation design, titania particle size in the 50 ~ 120nm, color paper wholesaler the UV absorption effect is the most.