What kinds of acid dyestuffs are commonly used in wood dyeing, and what are their characteristics?

The acid dyes used for wood staining are as follows:

(1) acid golden yellow

It is a bright golden yellow powder, soluble in water to form a fragrant yellow solution, dissolved in ethanol to form a golden color solution. It is mostly suitable for the base coloring of light-colored transparent woodware, and the dosage is preferably 10~15 grams per 10 square meters of wood furniture.

(2) Acid Bright Yellow

It is a light-colored powder, easily soluble in hot water and ethanol, and turns into a dark-colored solution; it is also soluble in acetone and slightly soluble in benzene. It is used as a primer for light-colored woodware, and the dosage is 1o~3og per 1o square meter area.

(3) Acid scarlet

It is a kind of red powder with light. It is cherry red when soluble in water, magenta when soluble in ethanol. It is mostly used for base coloring of purple or magenta wood furniture. The dosage is 8~1og per 1o square meter area.

(4) Sour Orange

It is a brownish-red powder, which is orange-red when dissolved in water, and orange-yellow when dissolved in ethanol. It is mostly used as a primer for light-colored or dark-colored woodware. Acid orange is kind of red or orange depending on the amount used, so pay attention to the amount added when using it.

(5) Acid black

It is a dark brown powder, soluble in water and ethanol. It is mostly used for coloring and color matching of dark furniture.

(6) yellow sodium powder

It is a brown-yellow powder. Soluble in hot water and ethanol. It is brown when dissolved in hot water, and brown when dissolved in ethanol. Colored with yellow sodium powder, the color is bright, the price is cheap, and the ability to reveal wood grain is strong. It has an aesthetic feeling similar to natural wood grain color. It is generally used for dyeing medium and high-grade woodware, musical instruments, wooden instruments, instrument cases, etc. Huangnase is a mixture of acid golden yellow and acid light yellow, which contains colloid, and must be brewed with boiling water when used.

(7) black sodium powder

It is a reddish-brown powder, soluble in water and ethanol, insoluble in gasoline. Because of its darker color, it is often used in conjunction with yellow sodium powder.