Name | synthetic tanning anent PA |
Synonyms | synthetic tanning anent PA |
PH | 3.0~3.5 |
Storage Condition | 置于阴凉库内,5~30℃条件下,贮存期12个月。本品按非危险品存贮。运输时应防止曝晒、雨淋。 |
Physical and Chemical Properties | Chemical nature brown viscous transparent liquid. Soluble in water. The aqueous solution is anionic. Crystallization is precipitated at low temperature. |
Use | Mainly used for all kinds of light leather retanning. Stir well before use. With the use of mineral tanning agent or other anionic synthetic tanning agent, white leather can be made with small convergence and good light resistance. |
Caution | Irritating, pay attention to protection. Wash immediately with soap and water if it gets on the skin. Do not come into contact with iron products. |
Add 37% formaldehyde aqueous solution to the reactor and adjust the pH value to 8.0 with triethanolamine. Add sulfonated phenolic resin and amino resin, stir for 2 hours at 70-80 ℃.