Precautions on aluminium paste handling and storage
Precautions on aluminium paste handling and storage
Aluminium paste is a paste-form compound consisting mainly of flake-shaped aluminium particles and an organic solvent having a high boiling point. The following are key precautions for the safe handling and storage of JIE HAN aluminium paste.
Put far away from any ignition source, to prevent ignition of its constituent solvent. Extinguish with a dry powder extinguisher or sand extinguisher. Never expose to water, such exposure would result in generation of hydrogen gas.
- Avoid exposure to water, acids, alkalis, oxidizers, metal oxidizers, or halides, as its exposure to any of these may result in generation of hydrogen gas.
- Avoid spilling during its transfer to and from any container.
- Aluminium paste contains organic solvents, which are subject to regulations as organic substances. Provide local ventilation in areas of handling and use. Exposure may cause skin, eye, and mucous membrane irritation. Use protective masks and gloves during handling and use, and avoid skin contact whenever possible.
- First aid
In case of skin contact, wash thoroughly with soap and water.
In case of eye contact, flush eye with clean water for 15 minutes and get medical attention.
- Disposal
Disposal must be performed in conformity with local, state, and national law and regulations. For information on proper disposal.
Storage
- Perform storage in conformity with national, state, and local law and regulations. (Also see MSDS)
- Keep away from direct sunlight, rainwater, and excessive dampness. Store indoors in sealed containers, at no more than 40°C and preferably at 15°C–25°C. For special leafing grades which are subject to stearic acid separation, storage indoors 15 °C–45°C is preferable.
- For leafing grades, in the event of stearic acid separation (apparent as whitish powder or grain) heat the aluminium paste to 30 °C–45°C in its container without exposure to any direct flame or ignition source and then mix well to ensure a uniform dispersion before use. In such cases, particular caution is necessary in opening any container due to the possibility of solvent vapor formation as a result of the heating.
- In the event that bulging occurs in any container during storage due to abnormal internal pressure, before opening the container slowly relieve the internal pressure by opening the vent screw in the container lid if present or by gradually opening the lid clamp while applying downward force on the lid to hold it in place and prevent its violent release. Special caution is necessary in such cases to ensure that the working area is well ventilated and completely free of any ignition sources, because of a high probability of hydrogen gas being present in the container.
- If separation of the solvent and aluminium flakes occurs as an effect of vibration during transport or certain storage conditions, thoroughly mix the aluminium paste to obtain a uniform dispersion before use. Such separation generally does not involve any problem in the aluminium paste quality or performance. Should any question or doubt arise concerning quality or performance, contact JIEHAN for assistance.