Product introduction
Liquid dye red R for paper makingis an economical, blue - blue - red 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 orange liquid |
relative absorbance(F), % | relative to standard product 100±3 |
viscosity | ≤50mPa.s |
density | 1.05~1.20g/cm3 |
pH | 7.2~10.5 |
Storage
This product has a high storage stability, but it may solidify when it is placed below the freezing point for a long time in winter. It can be restored to the original state after being placed at room temperature or heated, without any adverse effect on the use effect.
Packing
1100KG/drum or on customer requirement