Product Information

No-Wash Flux for Board Mounting Products

Product number NS-F851 NS-F901 NS-F850-8
Application General-purpose / Compatible with spraying and foaming General-purpose / Compatible with spraying and foaming General-purpose
Type & features Good solder drainage / Good wetting Completely halogen-free Low residue
Flux category ROM1（ROL1) ROM0 ROL1
Halide content 0.08 mass％ 0 mass％ 0.045 mass％
Solid content 15.5 mass％ 15.0 mass％ 8.0 mass％

NS-F851

  • General-purpose
  • Compatible with spraying and foaming
  • Category: ROM1 (ROL1)
  • Contains halogen

Contributes to reliable mounting quality by achieving good solder drainage and bridge prevention

Contributes to reliable mounting quality by achieving good solder drainage and bridge prevention

Post flux compatible with lead-freed solders. With good solder drainage and wetting, as well as excellent bridge prevention, it contributes to reliable mounting in wave soldering.

- Good solder drainage
- Good wetting
- Prevents bridging

Solder drainage flow (prevents bridging)
 
Photo (Left) : comparative product (bridging confirmed)
Photo (Right) : NS-F851
 
NS-F851 helps ensure good solder drainage and prevent bridges even in narrow pitch mounting.

Reduces fluxer filter clogging
 
Photo (Left) : comparative product (primary filter : day 2)
Photo (Right) : NS-F851 (primary filter : day 4)
 
Reduces fluxer filter clogging by approx. 50% compared to regular flux.

NS-F901

  • Completely halogen-free
  • Compatible with spraying and foaming
  • Category : ROM0

Completely Halogen-Free Flux with matt finish

Completely Halogen-Free Flux with matt finish

Completely halogen-free containing no F, Cl, Br or I for high reliability.
Excellent hole fill and topside fillet. Excellent drainage for minimum shorts.
 
Matte finish that reduces gloss after mounting
 
Photo (left): conventional product
Photo (right): NS-F901

NS-F850-8

  • General-purpose
  • Low residue
  • Category : ROL1
  • Contains halogen

Improved through-hole fill and solder drainage

Improved through-hole fill and solder drainage

Prevents the formation of solder bridges, solder spikes, and solder balls. Its good through-hole fill helps perform consistent soldering.

Helps produce good solder wetting
 
Photo (left): conventional product
Photo (right): NS-F901