Waste plastics economic concept and recycling processing

Overview The global economy is booming. Demand for consumer goods is strong. The sales of communication equipment and automobiles have soared. The supply of plastic raw materials has become very scarce. In 2004, the skyrocketing prices of plastic raw materials around the world made the industry ...more...

How to determine the merits of toner simply

1. Blackness: The blackness and bottom ash of the printed product can be detected with a color densitometer. The darkness value is less than 1.35, which is too light, and 1.55 is too dark. The ideal value is 1.40-1.50 when printing sulfate paper. The average black level should not be lower than 1. ...more...

Rock climbing knot textbook (1) [Photos]

Knots are the skills that mountaineering and rock climbing mountain friends need to be familiar with from the very beginning. They often use more than a dozen, and if they learn less than two weeks per day, they can finish it. If there are any errors in the text, please raise your fingers and brai ...more...

Dalian Shengdao Group develops alcoholic ink

Dalian Shengdao Group and Flint Schmidt Ink Company of Germany jointly invested in the establishment of a joint venture—Dalian Schmidt Ink Company. It is one of the manufacturers that produce and promote alcohol-soluble inks. Its product lines are mainly alcohol-soluble flexo printing ink M ...more...

How to shorten the printing preparation time during web prin…

Web printing is fast, reaching 3000 feet per minute. However, the long print preparation time is the biggest problem in the printing process, it will extend the operating cycle of the job. So how to reduce the print preparation time? In the sheet-fed printing process, we emphasize the degree of im ...more...

Water-based adhesives into research and development focus

In order to completely eradicate the residual hazards of solvent in composite flexible packaging, water-based adhesives have become a key issue for domestic adhesive research and development. According to statistics, China's food composite flexible packaging bags require about 50,000 tons of a ...more...

Characteristics and Research of Electrostatic Printing (I)

The principle of electrostatic printing of textiles is to design and store customer's design requirements; computer-processed graphic images are developed by electrostatic latent images, and the color toners suitable for fabrics are transferred to the printed fabrics; Fix the color to get the ...more...