WF-7745 from Indium Corporation is a VOC-free, halogen-free no-clean wave soldering flux. It is compatible with all common lead-free and tin-lead wave soldering alloys, and exhibits excellent hole filling performance. It does not cause green corrosion after soldering and reduces the formation of solder balls. This flux is non-flammable, non-corrosive, and can be transported as non-hazardous goods.
The Indium WF-7745 is a VOC-free, halogen-free, no-clean wave soldering flux designed for through-hole, bottom surface mount, and mixed-technology circuit boards. It is compatible with both leaded and lead-free solder alloys and features excellent hole fill performance with minimal tin whisker growth and no green corrosion after soldering.
The product is a colorless liquid with a specific gravity of 1.013 at 25°C. It passes the IPC TM-650 copper mirror test with no green corrosion and has a flash point that is unknown. The flux is non-flammable, non-corrosive, and can be transported as non-hazardous materials. It is recommended for use with SnCu and SnPb alloys under specific preheat and soldering temperature conditions. This manual is written in Chinese.
| J-STD-004A Flux Type | ORL0 |
|---|---|
| Color | Transparent |
| Solid Content | 4.22% |
| Flash Point | Unknown |
| Shelf Life (Unopened) | 18 months |
The WF-7745 flux is classified as type ORL0 according to J-STD-004A standards.
Yes, it is compatible with all common lead-free and leaded wave soldering alloys.
No, it is non-flammable and non-corrosive, allowing it to be transported as non-hazardous materials.
The shelf life is 18 months if stored in an unopened container below 40°C.