Textile Chemistry

As one of the four core businesses of Hongda Group, ......

Material Chemistry

Since 2001,Hongda Group has been a distinctive char ......

Biological Pharmacy

Companies in the bio pharmaceutical development alw ......

Resin & Additive

The company's business covers the development o ......

02/07/2017

The dyeing process for fluorescent dyes with yarn on corn

Bobbin dyeing machine invented has 130 years of history, until 1990s, to get a large number of application Chinese yarn dyeing. Pure cotton yarn and cellulose fiber has been widely used in dyeing, reac......

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01/10/2017

The growth rate for Global coatings emulsion polymer is about 5.4%

Current global paints and coatings emulsion polymer consumption will reach 5 million tons in 2020, compound annual growth rate of about 5.4%, and become the most important market for various types of e......

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12/30/2016

Teach you to clearly understand the difference between paint and paint to take you out of the misunderstanding

Introduction of coatingsIn simple terms, the paint is used for the object surface can form a decorative or protective or insulation, anti-corrosion and other special features of the solid film, it is d......

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12/26/2016

Anti-corrosion coatings will reach 6 million tons in the year of 2017

Anti corrosion coating is coated on the surface of the object that under certain conditions can protect, decoration or other special features of film formation (insulation, anti rust, mildew resistant,......

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12/20/2016

Classify of ink

Ink by connecting material (resin), pigments, fillers, additives and solvents, etc. What are the classification of the ink?1.Letterpress printing ink. To print books, newspapers, brochures, documents, ......

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12/16/2016

The most important three factors in color

Screen printing in the process of any one color all by hue, lightness and saturation said three features, so the above three factors must be considered in the process of color matching. Although theore......

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12/12/2016

Describe the difference between enamel and harmonic lacquer

Enamel and enamel, enamel in English. With varnish base makings, add dye abrade, make magnetism smooth color is shown after coating is dry and hard coating, commonly used with phenolic enamel and alkyd......

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12/05/2016

Rotogravure how to make ink viscosity to achieve ideal

In the plastic gravure printing, how to control the printing ink viscosity is a critical problem.Printing ink viscosity and viscosity is very different, but they still have a contact. Mainly in viscosi......

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11/29/2016

Production of fluorescent ink technical methods and standards

Fluorescent ink pigment content is higher in the printing process often occur heap ink, emulsion is excessive and need two to three times reluctantly hue and meet the requirements Fluorspar degree prob......

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11/24/2016

Dyes and pigments are in the low steady development

In the first half of the dye pigment industry overall maintained steady economic operation. Based on the analysis of the factors, the main economic indicators in the second half of the industry is expe......

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11/21/2016

Water sand bag multi-color wide application

Water sand bag colorful coating it is a high-tech research and development, and modified resin and stability rather than good paint dye coating made of. Water sand bag it the appearance of the colorful......

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11/16/2016

Thermochromic pigment Colorful wide scope of application

Thermal discoloration pigment color principle and the structure, thermal discoloration pigment is by electronic transfer system of the preparation of organic compounds. Electron transfer type of organi......

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11/10/2016

Mixed pigment markets around the world Government regulation leads the development direction

The global paint market analysis found that in 2015, the global paint market in revenue of $25.15 billion. Predicts that by 2020, the market's revenue will reach $31.02 billion. Among them, constru......

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10/27/2016

Study on the preparation of a new type of water based polyaniline composite anticorrosive coatings

The serious corrosion of metals, to the national economy has brought huge losses, the current protection of metal equipment is mainly to the main anti-corrosion coatings. Due to the defects of the coat......

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10/21/2016

How to play "Internet plus" for the traditional paint industry

We say that a few years ago, the paint industry was going to enter the Internet marketing and mobile marketing, then there will be many companies and dealers say "one thousand reason made them sa......

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