Water-Soluble Solder Flux
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High activity for difficult surfaces, easy DI-water clean.
JST-FXWS is a high-activity water-soluble solder flux (ORH1) based on organic acids, with about 8 % solids. It solders oxidised and hard-to-wet surfaces reliably; residues must be washed off with DI water after soldering.
Key features
- ORH1 high-activity organic acid flux
- About 8 % solids
- Residue removed completely in a DI-water wash
- Strong wetting on difficult finishes
Typical applications
- Wave soldering with an inline wash
- High-reliability boards before conformal coating
- Oxidised component leads
Specifications and documents
Full technical data is listed under Additional information. Technical data sheets (TDS) and safety data sheets (SDS) are available on request. Browse all soldering flux or contact our engineers for a recommendation, pricing and free samples.
Related guides
| Type | Water-Soluble · ORH1 |
|---|---|
| Solids | ≈ 8 % |
| Base | Organic acid |
| Packaging | 1 kg bottle |
| Storage | Room temperature |
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