Cobar selective soldering flux 327-SEL
A high-reliability selective flux, 327-SEL is designed specifically for selective soldering processes to have absolutely no corrosion on cured or uncured residues.
IPC J-STD-004 classification ROL0
Physical and chemical properties
| SG @ 20 °C [kg/dm3] (+/- 0.5%) | 0.840 |
| Solids content [% w/w] | 4.94 |
| Halides [Silver-Chromate Test] | Pass |
| Halides [Potentiometric] | Pass |
| Acid number [mgKOH] (+/-2.5%) | 19.70 |
| Water content [% w/w] | 5. |
| VOC-content [% w/w] | 90.00 |
| Filmformer(s) | resin |
| Color | colorless |
| Flashpoint COC [°C] | 13.5 |
| Telcordia/bellcore TR-NWT-000078/3 | Compliant |
| Test report(s) | Available |
| Certificate of Compliance | Available |
| SPC-data* | Auditable |
| Environmental Load Unit | 6.00 |
| RoHS-Compliance Certificate | Available |
| User's Guidelines | English |
| Packaging | |
| Bottle (HDPE) [liter] | 1 |
| Can (HDPE) [liter] | 5, 10 |
| Thinner | 425-00 |
| Shelf-life (Weeks) | |
| Storage 20 [°C] | 52. |
| Storage 25 [°C] | 40. |
Fields of application
| 5 | Especially made for this purpose |
| 4 | Generally qualified for this purpose |
| 3 | Generally usable, but not the best choice |
| 2 | Generally not usable for this purpose |
| 1 | Wrong choice |
| ISO 9454-1 | 1.2.3.A |
| IPC-ANSI-J-STD-004 | ROL0 |
| JIS Z 3197 | 1.2.3.N_I |
| No-Clean process | 5 |
| Post-solder cleaning | 3 |
| Wave Soldering | 2 |
| Pb-Free process - N² | 5 |
| Consumer electronics | 3 |
| Med-Rel electronics | 4 |
| Hi-Rel electronics | 5 |
| 1-layer, video/tv boards | 4 |
| 2-layer boards | 5 |
| Multi-layer boards | 5 |
| OSP compatible | 5 |
| Ni/Au compatible | 5 |
| Ni/Pd compatible | 4 |
| Ag compatible | 4 |
| Sn compatible | 5 |
| Bubble jet fluxing | 5 |
| Nozzle-spray fluxing | 5 |
| Template/dip fluxing | 4 |
| Hot bar soldering | 5 |
| Static solder-nozzle | 5 |
| Flow solder-nozzle | 5 |
| Short contact time with solder | 5 |
| Moderate preheat | 4 |
| Reduces spread of flux | 3 |
| Reduces solder balling | 5 |
| Reduces bridging | 4 |
| Cosmetic cleanliness | 3 |
| Cosmetic cleanliness N2 | 4 |
| ICCT compatible | 4 |
| Conformal coating | 5 |
Data sheet download
*) Having a vapor pressure of >0.01 mm Hg @ 25°C
Industrial chemical product. Read MSDS before use.
