Precaution:
1. This product should be heated or cooled slowly in use.
2. This product is not suitable for filtering hydrofluoric acid, hot or cold concentrated lye, hot concentrated phosphoric acid.
Clean Method:
1. Easily soluble sediment can be rinsed directly with distilled water and dried.
2. Fatty sediment should be cleaned with carbon tetrachloride or a suitable organic solvent.
3. Viscose or glucose sediments need to be cleaned with hydrochloric acid, hot ammonia, 5 - 10% alkaline solution, sulfuric acid or nitric acid mixture.
4. For other insoluble sediments, clean it with acid solution.