Indium 6.4R

Sn63/Pb37 Water Soluble Solder Paste

Indium6.4R is a versatile, water-soluble solder paste flux, formulated for air or nitrogen reflow. It is capable of SnPb and Pb-free assembly processes with an exceptional reflow process window. This solder paste provides exceptional stencil printing performance, with long stencil life and excellent response-to-pause. Indium6.4R exhibits superior wetting to a variety of surface finishes and exhibits the best voiding performance, with fewest voids, reduced size of largest voids, and overall minimized voiding for BGAs, CSPs, and BTCs (QFNs, DPAKs, LGAs, etc.).

  • Lowest voiding water-soluble flux for solder paste:
    • Reduced largest voids
    • Fewer voids
    • Minimized voiding overall
    • For BGA, CSP, and bottom termination components, such as QFNs
  • Exceptional printing process window:
    • Excellent response-to-pause
    • Long stencil life (>8 hours in controlled environment)
    • Prints consistently at a wide range of speeds
  • Wide reflow process window for profiling
  • Excellent wetting on a variety of surface finishes
  • Maintains tack over time
  • Suitable for SnPb eutectic alloys as well as Pb-free alloys
Grouped product items
Product Name Qty
Indium 801217-500G
Sn63/Pb37 Water Soluble 89.5% T4 Solder Paste, 500g Jar
$102.98
Indium 801217-700G
Sn63/Pb37 Water Soluble 89.5% T4 Solder Paste, 700g Cartridge In Stock
$144.17
Indium 801218-500G
Sn63/Pb37 Water Soluble 89.75% T3 Solder Paste, 500g Jar
$97.10
Indium 801218-700G
Sn63/Pb37 Water Soluble 89.75% T3 Solder Paste, 700g Cartridge
$135.94

Technical Documents

Features

  • Type: 6.4R Water Soluble Solder Paste Type 4 Metal Load: 89.50% (801217)
  • Type: 6.4R Water Soluble Solder Paste Type 3 Metal Load: 89.75% (801218)
  • Shelf Life: 6 months
  • Alloy: Sn63/Pb37 Type: Water- Soluble
  • Storage Conditions: <10°C (unopened containers)
  • J-Standard-004A, Flux Classification: ORH1, J-Standard-005
  • Compatible Products:
    • Rework Flux: TACFlux® 025-NP
    • Cored Wire: CW-301
    • Wave Flux: 1095-NF
    • Flux Pen: FP-1095-NP

Alloys

Indium Corporation manufactures low-oxide spherical powder composed of eutectic SnPb and SnPbAg, as well as many Pb-free alloys for printed circuit board assembly in the industry standard Type 3 and Type 4 mesh size (J-STD-006). Other non-standard mesh sizes are available upon request. The metal load is the weight percent of the solder powder in the solder paste and is dependent upon the powder type, alloy, and application. Standard product offerings are detailed in the following table.

More Information
PAC Item Code G101006
MFG Part Number 6.4R
Brand Indium
Material Sn63/Pb37
Type Water Soluble
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