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The Meta Online Lead-Free No-Clean SMD Soldering Flux Paste is a premium solution for professionals and hobbyists engaged in electronics repair and assembly. Its lead-free and halogen-free composition ensures a safer working environment, while its high activity level facilitates efficient soldering.
Designed for use with SMD, BGA, CSP, and PCB components, this flux paste is compatible with a wide range of devices, including gaming consoles, smartphones, tablets, and computers. The non-conductive and non-resistive properties protect sensitive electronic parts during the soldering process.
Packaged in a user-friendly 10g syringe, it allows for precise application, reducing waste and enhancing control. The no-clean formulation means there's no need for post-soldering cleaning, saving time and effort.
George Gilman
Reviewed in the United States on June 6, 2025
The flux is decent and works well in the way flux does. It's a decent volume of flux and appears value priced. The syringe, on the other hand, could be considerably better. It's just difficult to work with, requiring more force than should be required to get the flux you need.
Robby Crocker
Reviewed in the United States on May 1, 2025
Great soldering flux. Its easy to use and makes applying the flux a speedy process. The size is a plus too. Solders are durable and the flux is sticky too. Highly functional.
Dominic
Reviewed in the United States on April 23, 2025
I have the same concerns that others have voiced, the plunger does not fit in the barrel. I don't know why they did this. It makes it very hard to use and you can not pull back to stop the flux. I don't work on these types of electronics and have only got this flux just in case I need it for a few projects I'm doing.
MOCTODNOZAMA
Reviewed in the United States on April 22, 2025
THE GOOD:--------------* Nice quality lead-free soldering flux paste.* 10g syringe packaged with a 10cc syringe for precise dispensing.* Perfect for electronics repair, or if you're new to learning how to solder.THE BAD:-----------* Nothing at all, 5-Stars.
Anne
Reviewed in the United States on April 19, 2025
As another reviewer noted the syringe that this paste comes in does leave something to be desired. I didn’t go so far as moving it to a different syringe, but I did find it a bit annoying to use. That said, the flux itself worked well even for an inexperienced user, and it's a nice addition to your soldering toolkit.
MB
Reviewed in the United States on April 18, 2025
It's solder flux. Whatever voodoo it's made of, does the trick. The needle applicator is great for working with SMT components.
Brian Mueller
Reviewed in the United States on April 15, 2025
I don't have too much experience with different types of flux paste. These in the tube work very well when soldering FCPGA on boards, but also do a good job of prepping the pads on cuttable LED strip lighting which is what I used it for. Getting solder to stick to those little pads can be a challenge. This paste helped me get a nice clean bead on the pads so I could wire through a gap under cabinets. I also had an old USB-C hard drive where the USB-C port had come loose. This did a good job of helping remove the existing port using a heat gun and cleaning up the pads to install a new port. Overall, I'm inexperienced, but happy with the results
RXMan75
Reviewed in the United States on April 14, 2025
Flux works OK, but the delivery system with a plunger that does not stay attached inside the barrel of the syringe is a PITA to work with. I transferred the contents (and the label!) to this 20ml pet feeding syringe from Amazon, as you can see in my pics: https://www.amazon.com/dp/B0DXP2K87B?th=1Although the tip of the syringe is a bit large, it works well with this flux....and the flux works fairly well too. IMHOMost of the flux sellers on Amazon are using either the same, or similar syringes. If you do any amount of continuous work, you probably find these syringes a PITA to work with when the plunger falls out the back, and if you distribute too much from the syringe, you cannot pull back on the detached barrel to remove excess flux. Same is true if you need to use a lot of pressure to dispense the flux. When done, due to the excess pressure, it dribbles out the end if you cannot pull back on the syringe plunger. Using the pet feeding syringe, you can!
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