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What is the dyeing method and process of vat dyes ?
1. Dye pre reduction: This is the first step of the dyeing process, usually using sodium hydroxide (caustic soda) and sodium hydrosulfite (sodium hydrosulfite) as reducing agents to reduce insoluble vat dyes to soluble sodium salts of the chromophore under alkaline conditions. During this process...Read more -
Building Used Titanium Dioxide Pigment Paste for Coating
Titanium dioxide pigment paste for building purposes play an important role in the construction industry. Titanium dioxide pigment paste provides excellent decorative and protective properties for building materials due to its unique properties such as high coverage, high glossiness, excellent wh...Read more -
What’s the application of fluorescent solvent dyes and transparent solvent dyes ?
Fluorescent and transparent series solvent dyes can be widely used for coloring various plastics (such as PS, AS, ABS, PC, PMMA, PET, PBT, RPVC, PA, PP, PE, etc.) and decorative materials such as paints, inks, plastic masterbatch, etc. They can also be used for coloring raw materials such as poly...Read more -
How to Choose Color Masterbatch Dyes and Pigment?
Color masterbatch dyes play a crucial role in color manufacturing, with solvent dyes and pigments being the two most common types. Solvent red 23, solvent red 24, solvent green 5, solvent blue 35, and solvent yellow 114 are commonly used dyes in solvent dyes for color masterbatches. Pigment blue ...Read more -
Application of vat Yellow 2 in Printing and Dyeing of Cotton, Polyester/Cotton Blended, and Vinyl/Cotton Blended Fabrics
Vat yellow 2, as a yellow dye with good levelness and particularly bright color, has a wide range of applications in the printing and dyeing industry. Its insolubility in water and ethanol allows it to exhibit unique color effects under specific printing and dyeing conditions. In concentrated sul...Read more -
Color masterbatch dye solvent blue 35 Sudan Blue II Manufacturer
Color masterbatch dye solvent blue 35, also known as Sudan Blue II or Oil Blue 35, is an important dye mainly used for coloring alcohols, esters, and hydrocarbon solvents, as well as for coloring oils, fats, waxes, and transparent coatings. In addition, it can also be used to stain triglycerides ...Read more -
Basic Rhodamine B Basic Violet 10 Used for Paper Mill
Basic rhodamine b CAS 81-88-9, as an artificially synthesized dye, has a bright peach red color and exhibits strong fluorescence characteristics in solution. In the papermaking industry, it plays an important role in providing coloring functions for various paper products. Specifically, basic rho...Read more -
Organic Pigment Used for Textile Screen Printing
The organic pigment used in textile screen printing need to meet a series of specific requirements to ensure printing quality, color stability, and adaptability to textiles. The following are some commonly used pigment types and their characteristics for textile screen printing: 1. * * Waterbased...Read more -
PVC Colorant Fluorescent Pigment Powder Leading Manufacturer
Fluorescent pigment powder does have a wide range of applications in the coloring of PVC plastics. Fluorescent pigment powder can produce bright and eye-catching colors, making PVC plastic products more attractive in various application scenarios. Fluorescent pigment powder is usually made by enc...Read more -
What attentions should pay during dyeing egg trayss ?
Using basic dyes to dye egg trays is a relatively common practice, but some key points need to be noted during this process to ensure that the dyeing effect meets expectations while not causing adverse effects on the environment and users. Firstly, let’s learn about basic dyes. basic dyes a...Read more -
The influence of metal complex dyes on the adhesion of coatings
Characteristics of Metal Complex Dyes Metal complex dyes are pigment materials that undergo dyeing by replacing water molecules in the matrix, forming coordination bonds with metal ions, and forming stable complexes. This pigment is commonly used in water-based coatings, metallic paints, paints, ...Read more -
Water Soluble Dyes for Marker Ink Making
Water soluble dyes can indeed be used in the manufacturing of marker ink. Marking pen ink is usually composed of components such as water, glycerol, organic acids or pigments, and water-soluble dyes can be selected for the pigment or pigment part. Water soluble dyes are a type of chemical dyes th...Read more
