Product introduction
Liquid dye blue F for paper making is an economical, green light blue liquid anion direct dye. This product can be mixed with water in any proportion, mainly used in the dyeing of bovine leather case board paper. It has a high affinity to mechanical pulp, recycled pulp and non-bleached chemical pulp which contain more lignin and can get good dyeing effect. Compared with similar products, it has higher fastness to the sun.
Technical indicator
appearance | dark blue liquid |
relative absorbance(F), % | relative to standard product 100±3 |
viscosity | ≤60mPa.s |
density | 1.05~1.25g/cm3 |
pH | 7.5~10.5 |
Storage
This product has high storage stability, but it may solidify when placed below freezing point for a long time in winter. It can be restored to the original state after being put at room temperature or heated, without any adverse effect on the use effect.
Packing
1100KG/drum or on customer requirement