【 JJY 】 Solder paste storage method and temperature treatment method before use

Nowadays,Solder pasteIt has been widely applied in the electronics industry. Unlike tin wires and tin bars, solder paste is relatively special. If you want to preserve and use it without damaging its performance, you must take some measures. Today, JJY solder Paste Manufacturer will take you to learn about the storage methods of solder paste and the temperature treatment methods before use:

The first1Note: Warm-up: The solder paste must be prepared in advance before going online for production4Take it out of the refrigerator to defrost when the hours are up,After taking out the refrigerator and opening the lid of the solder paste24It needs to be returned to the refrigerator for storage within hours. Fill out the solder paste usage record form and the solder paste control label. Use it according to the size of the number and the priority of half a bottle, following the principle of first in, first out. If it is not used up for the first time, a secondary label and number should be affixed before it is put into the refrigerator for the second time: fill in the time of entry into the refrigerator according to the number of this new bottle of solder paste, and then affix the secondary label.

Note: Color management is based on the first-in, first-out principle. All time information filled in must be true and accurate.

The first2Point: Stir: Warm upOKThe subsequent solder paste needs to be mixed with a solder paste mixer before going online for use3It can be used only after minutes. Please fill in the stirring time in the solder paste usage record form. When the solder paste reaches the upper line or is added, fill in the "Solder Paste Upper Line Form" according to the bottle number and wire type

Note: The stirring time is3Before stirring, do not open the transparent cap to prevent water droplets from seeping into the bottle.

Defective scrapping: Solder paste of poor quality caused by printing is recycled to the solder paste control area for scrapping treatment;

Expired and scrapped: Expired solder paste and solder paste scrapped from the production line should be placed in the scrapped solder paste area. The scrapped solder paste bottle must indicate the scrapping time, and the scrapped solder paste record should be filled out properly

Work scrapping: After the solder paste is taken out and used, it is24If it is not used up within hours and not put back in the refrigerator for cold storage, it will be directly disposed of as scrap;The warming time of solder paste outside the refrigerator is generally2-4H.

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