Cotton whitening agent red light 4BK-R / Whitening / brightening / Acid / alkali resistant
【Product Features】
This product is easily soluble and has good acid and alkali resistance. Its whitening effect is significantly better than that of VBL when the pH is 4.5 - 7. It is an anionic type and can be used in the same bath with anionic or non-ionic surfactants.
【Product Uses】
It can be used for whitening cotton,linen, and cellulosic fiber fabrics, and brightening light-colored fiber fabrics.
【Usage Method】
When whitening cotton, linen, and cellulosic fibers, directly add the fluorescent whitening agent to the dye vat and dissolve it with water for use.
Recommended dosage: 0.08 - 0.3% o.w.f
Whitening agent dissolution → Bath ratio: 1:20 - 40 → Dye bath temperature: 95 - 100°C → Drain → Wash → Dry and set at 130°C
Ensure that the fabric has been cleaned thoroughly before use to avoid the influence of auxiliary residue on the effect.
【Precautions】
- Conduct a small sample test before use to determine the optimal dosage.
- If it is necessary to use it in the same bath with other auxiliaries, conduct a small sample test to ensure that there will be no compatibility problems.
【Storage and Packaging】
50 kg paper drums lined with polyethylene plastic bags, avoid high temperature, and the shelf life is 6 months.
