...so what does flux do exactly? -sorry about the noob question, I am still learning-

Flux basically cleans the metal surface you are trying to make a solder bond to. Soldering effectively requires a "wetting" action, that actually creates a metal alloy at the bond. If there are oxides and dust on the contact surface you are soldering to (like a copper bit on a pcb), you will not create a metal alloy, and the bond could be scraped off with a razer blade. If you use flux correctly, you should not be able to easily scrap off the solder, since the solder and two components you are connecting that are metal, are now chemically bonded as an alloy.

What is the shelf life? Does this need to be kept refrigerated like some other solder pastes do?

This is from MG Chemicals Technical Data Sheet: Shelf life 2 years. Storage Temperature Limits 18 to 27 °C 65 to 80 °F Store at around room temperature and protect from direct heat or sunlight.

Is there a trick to get the plunger to remain in the syringe?

You just have to use it for a while. I had the same problem because the ring fits so poorly into the back, but once you use it to the point that the plunger is further in, it's much easier to use. I know, it's a terrible design flaw!

Is this appropriate to use for stained glass?

You could use it for stained glass, but since your solder would be covering a larger surface area, the flux with a brush would make more sense. This is designed for very small solders in tight areas, like electronics repair.

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💼 Elevate your electronics game with flux that means business.

ECO CONSCIOUS CHOICE - RoHS compliant, aligning with modern sustainability standards.
NO CLEAN CONVENIENCE - Leaves no residue, eliminating the need for post-solder cleaning.
CERTIFIED RELIABILITY - Meets IPC J-STD-004B and ROL1 standards for trusted soldering performance.
PRECISION APPLICATION - Gel-like viscosity allows easy brushing, dipping, or swabbing for flawless repairs.
LEAD LEAD FREE READY - Compatible with both lead and lead-free solders for versatile use.

MG Chemicals 8341-10ML is a premium rosin-based flux paste designed for professional PCB assembly and repair. Featuring low-activity, gel-like viscosity, it supports both lead and lead-free solders, complies with IPC J-STD-004B and ROL1 standards, and requires no cleaning after use. Compact and eco-friendly, it’s the go-to choice for precise, efficient, and sustainable soldering.

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Manufacturer	エムジーケミカルズ
Part number	8341-10ML
Item Weight	20 g
Product Dimensions	1.19 x 1.19 x 0.41 cm; 20 g
Is Discontinued By Manufacturer	No
Color	gray
Number Of Pieces	1
Included Components	No
Batteries Included	No
Batteries Required?	No
Item Dimensions LxWxH	12 x 12 x 4 mm

無洗浄フラックスペーストエムジーケミカルズ(MG CHEMICALS)8341-10ML

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無洗浄フラックスペースト エムジーケミカルズ(MG CHEMICALS)8341-10ML

Details

Description

Specifications

Have a Question? See What Others Asked

Common Questions

無洗浄フラックスペーストエムジーケミカルズ(MG CHEMICALS)8341-10ML