Papermaking dye, firecracker paper, special dye, red powder.

The special dyes for firecracker paper, Dahongfen and Tehongfen, are composed of direct dyes, direct scarlet 4BE, direct scarlet 4BS and alkaline dyes, alkaline rose essence. Acid dyes such as acid red GR, acid red A and acid orange II are mixed in a certain proportion to form a new generation of papermaking dyes. The products are mainly used for the manufacture of base paper of barrel paper of Dida red firecrackers and the processing and production of outer wrapping paper of firecrackers. This mixed dye has been tried by many firecracker paper factories in Liuyang, Hunan and Yulin, Guangxi. Generally, it reflects bright colors and does not change color after being placed. The firecrackers it made were as red as a bunch of blooming roses after explosion, and became a real earth red product. Xingtai Zeming Chemical Industry is a major manufacturer of scarlet powder, a special dye for firecracker paper in China.