Talking about the selection principle of plastic tarpaulin dyes

The products of tarpaulin manufacturers are dyed with dyes during production, but when choosing a suitable dye, please follow the following principles. Choose dyes according to the performance of the dyeing machine: Different dyeing machines have different properties and requirements for dyes. When used for jigging, please choose a dye with high directness. When used for rolling, please choose a dye with low directness. Otherwise, there will be products that do not meet the requirements, such as dark front and back light, uneven color, etc. Choose dyes according to the cost of dyes: When choosing dyes, not only the shading and fastness, but also the cost of dyes and auxiliaries used, supply sources, etc. must be considered. For higher-priced dyes, try to replace them with other dyes that can dye the same effect to reduce production costs. Select dyes according to the properties of the fibers: each fiber has different properties, and it is necessary to select the appropriate dyes when dyeing. For example, when cotton fiber is dyed, because its molecular structure contains a large number of hydrophilic hydroxyl groups, it is easy to absorb moisture and expand, chemically react with reactive groups, and is resistant to alkali. Therefore, dyes such as reduction, vulcanization, ice dye, and reactive dyes can be directly selected for dyeing. . Polyester has strong hydrophobicity and high temperature alkali resistance. Generally, the above dyes are not selected, but disperse dyes must be selected for dyeing. Choose dyes according to the use of the dyed object: According to the use of the dyed object, the color fastness requirements of the dyed product are also different. For example, the cloth used for curtains is not washed very much, but it is often exposed to the sun, so when dyeing, you should choose a sun-resistant dye. As the dyeing of underwear and light-colored fabrics worn in summer, due to frequent washing and sun exposure, please choose dyes that are washable, light-resistant and sweat-resistant. Selection of dyes when color matching: When color matching is required, choose dyes, and pay attention to their properties, such as composition, solubility, fastness, and dye uptake. Due to the different dyeing properties of various dyes, the dyeing effect is often affected by differences in temperature, solubility, and dyeing rate. Therefore, when performing color comparison, it is necessary to select dyes with similar properties. The closer the better, the better the control of process conditions and the stability of dyeing quality.

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The clear pvc film PVC Tarpaulin is also available as a pvc plastic film.

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