Isopropanol (IPA) is the basic cleaning solvent for 3D printing photocurage and plays an irreplaceable role in the post-processing of the model, equipment maintenance, etc.
Follow the resource library to find out which specific application scenarios, standardized operating methods and safety precautions.
During the 3D photocurage printing process, the IPA is mainly used to clean the uninsured resin on the printing surface.
IPA of industrial quality with purity of more than 95% can effectively dissolve surface residues from resin models formed by SLA / DLP technology. It is recommended to adopt a cleaning method in two steps of “Ultrasonic preliminary cleaning + rinse end of watering”. For models with complex structures, secondary cleaning can be taken into account to ensure in -depth cleaning.
It should be noted that the cleaned model must be fully dried before being able to undergo secondary hardening, otherwise it will affect the quality of the final product.
In terms of equipment maintenance, the IPA can be used to clean the exterior surface of the printing platform and the resin tank. Special care must be taken to avoid contacting the interior surface of the film FEP during the operation to avoid damaging this critical version film.
During daily maintenance, it is recommended to use an unwelcome fabric to dive into an appropriate IPA quantity to wipe the exposed metal parts of the equipment, which can effectively eliminate residents without damaging the equipment.
When you use the IPA safely, you must pay particular attention to the following points: first, you must operate in a well -ventilated environment and wear protective equipment such as N95 masks and nitrile gloves; Second, waste liquid after use must be left to be adjusted and seal and store, and it is strictly prohibited to mix and store with oxidants such as sodium hypochlorite; Finally, the completely stranded waste liquid must be given to a professional treatment for the treatment of hazardous waste for elimination and should not be thrown at will.
Alternative current solvents on the market include 95% ethanol, professional cleaning agents and TPM solvents. 95% ethanol has a lower cost but a slightly lower cleaning effect; Professional cleaning agents are the best but expensive but expensive; TPM solvents are particularly suitable for cleaning large parts. Users can choose appropriate cleaning solutions based on specific printing needs and economic considerations.
It is recommended to establish a recycling system “cleaning-priest-filtration”, to detect the cleanliness of the IPA each month and replace it in time, which can not only ensure the cleaning effect but also reduce the cost of use.
For users engaged in the printing of biocompatible resin, it is recommended to use a special cleaning agent specified by the manufacturer, as the conventional IPA can affect the performance of these special resins.
Whatever the cleaning solution used, strictly remains by safety operating procedures is a prerequisite for ensuring the quality of printing and personal safety.
By normalizing the use of cleaning solvents such as the IPA, it can not only considerably improve the surface quality of the printing parts, but also effectively extend the life of the 3D printing equipment.
