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HE Reactive Dyes are a type of dye used primarily in the textile industry for dyeing cellulose fibers like cotton and viscose. These dyes form a covalent bond with the fiber, resulting in vibrant colors that are durable and resistant to washing and light. They are designed to be applied in a high-efficiency process, allowing for lower dyeing temperatures and shorter processing times compared to traditional reactive dyes.
| Chemical structure | Reactive groups that bond with hydroxyl groups in cellulose |
| Color range | Wide spectrum including bright shades and pastels |
| Application method | Used in batch dyeing, continuous dyeing, and printing processes |
| Water solubility | High solubility in water for easy application |
| Fastness properties | Good light, wash, and rub fastness |
When selecting HE Reactive Dyes, buyers should consider the specific fiber types they will be dyeing, as well as the desired color fastness and application method. It's important to specify the required color shades, the quantity needed, and any necessary certifications for environmental compliance. Additionally, inquire about the dye's performance characteristics such as wash fastness and light fastness to ensure suitability for the intended application.
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They are primarily used for dyeing cellulose fibers like cotton and viscose.
They form a covalent bond with the fiber, resulting in durable and vibrant colors.
HE Reactive Dyes require lower temperatures and shorter processing times.
Many HE Reactive Dyes are designed to meet environmental standards, but always check for certifications.
Yes, they can be used in both dyeing and printing processes.
They are primarily effective on cellulose-based fabrics like cotton and viscose.