The reasons for the precipitation of PU color paste may include the following aspects:
Component separation: The components in PU color paste may separate, resulting in precipitation. This is caused by an uneven formula or incomplete mixing.
Storage conditions: PU color paste is affected by environmental factors such as temperature and humidity during storage, which may cause some components to precipitate. Improper storage conditions will accelerate the process of component separation.
Life of use: The ingredients of PU color paste may change over time, resulting in precipitation. PU color pastes that have expired may have quality problems, including precipitation.
Insufficient stirring: Before using the PU color paste, it needs to be stirred thoroughly to ensure that the ingredients are evenly mixed. If there is insufficient stirring, some of the ingredients may settle on the bottom or surface of the container.
Additive reaction: Some additives in PU color paste may react with other ingredients, causing precipitation. This is due to the interaction of certain ingredients in the formula.
In order to reduce the possibility of precipitation of PU color paste, it is recommended to pay attention to the following points during storage and use:
Try to avoid exposing the PU color paste to extreme temperatures or humidity.
Stir the PU color paste regularly to ensure that the ingredients are fully mixed.
Before use, check whether the texture and color of the PU color paste are uniform. If there is any abnormality, stop using it.
Use PU color paste strictly in accordance with the manufacturer's instructions and recommendations, and pay attention to the product's service life.
