| Name | modified glutaraldehyde |
| Synonyms | modified glutaraldehyde |
| pKa | <10 |
| PH | 3.0~5.0 |
| Storage Condition | 保持容器密闭，存于阴凉、干燥的环境中，避免霜冻和曝晒，贮存期限12个月。同一般化学品装运。 |
| Physical and Chemical Properties | Colorless or slightly yellow transparent liquid. It has good dispersibility for oils and dyes, promotes the absorption and binding of chrome tanning agents, and improves the fullness and softness of the leather body; Improve the tear resistance of leather; It can improve the sanding property of suede leather and obtain short and fine fluff. |
| Use | Used for retanning various types of chrome tanned leather or fur. Especially suitable for retanning special white leather and high-end leather. Used before and after chrome retanning, the grain surface is compact and fine; Reference dosage of 2%~5% (depending on style and performance requirements). |
| Caution | Non hazardous materials. Avoid direct contact with skin and eyes. If it gets on the skin, rinse with water and soap. |
Add 40kg of 25% glutaraldehyde to the reactor, add 70kg of 30% formaldehyde solution under stirring, adjust the pH value to 7.5 with 10% NaOH, stir at 90 ℃ for 2 hours, and adjust the pH value to around 4.0 with glacial acetic acid.