To save shipments of reactive dyed cotton fabrics from light fastness failures, you can take the following precautions:

Use High-Quality Dyes

Choose reactive dyes that are specifically formulated for high light fastness. You can also consider using dyes with a higher concentration to increase stability and reduce the risk of fading.

Control Light Exposure

Store and transport your reactive dyed cotton fabrics in conditions that minimize exposure to light, such as dark and cool environments. You can also use packaging materials that block out light and UV rays.

Avoid Direct Sunlight

Whenever possible, avoid exposing your reactive dyed cotton fabrics to direct sunlight or artificial light sources with high levels of UV light.

Use Proper Storage

Store your reactive dyed cotton fabrics in a cool, dry place, away from direct light and heat sources. You can also consider storing your fabrics in airtight containers or bags to reduce exposure to light and air.

Test Your Fabrics

Before shipment, test your reactive dyed cotton fabrics for light fastness using industry-standard testing methods. This will help you identify any potential issues and take appropriate action to mitigate the risk of light fastness failures.

Consider the End-Use

Consider the end-use of your reactive dyed cotton fabrics when selecting dyes and taking precautions to minimize light fastness failures. For example, if the fabrics will be used for outdoor clothing or curtains, you may need to take extra precautions to ensure high light fastness.

By taking these precautions, you can help to reduce the risk of light fastness failures in your reactive dyed cotton fabrics and ensure that your shipments arrive in excellent condition.