Kester Model No.

951 (1 Gallon)

958 (1 Gallon)

959 (1 Gallon)

959T (1 Gallon)

Techni-Tool Part No.

488SO951

488SO958

488SO959

488SO259

Kester Thinner No.

110 (1 Gallon)

4662-SM (1 Gallon)

4662-SM (1 Gallon)

4662-SM (1 Gallon)

Techni-Tool Thinner Part No.

488SO110

488SO662

488SO662

488SO662

Flux Type

Rosin-free, low solids, No-clean

Low solids, No-clean

Low solids, No-clean

Low solids, No-clean

Lead-Free Solder

No

No

No

Yes

Percent Solid

2.0

2.70

3.9

2.9

VOCs (g/liter)

792

735

776

765

Specific Gravity

0.813 ±0.003

0.806 ±0.005

0.800 ±0.005

0.794 ±0.005

Product Characteristics

Very low solids, rosin-free. Practically no residue. for spray or foam applications.

For wave soldering. Gives excellent performance on bare copper PCBs.

For wave soldering. Minimizes the formation of micro-solderballs. For spray or foam applications.

Contains very small percentage of rosins which improves solderability, heat stability and surface insulation.

Compliant Spec

Bellcore Issue 1 GR-78 CORE & ANSI/J-STD-004, ORLO

Bellcore Issue 1 GR-78 CORE & ANSI/J-STD-004, ORLO

Bellcore Issue 1 GR-78 CORE & ANSI/J-STD-004, ORLO

Bellcore Issue 1 GR-78 CORE & ANSI/J-STD-004, ORLO

Residue Removal

(not normally required)

5768 bio-Kleen saponifier 2% concentration

5768 bio-Kleen saponifier 2% concentration

Hot DI water with 1% solution

5768 bio-Kleen saponifier 2% concentration

Kester Model No.

186 (1 Gallon)

186-18 (1 Gallon)

1544 (1 Gallon)

Techni-Tool Part No.

488SO186

488SO0186

488SO544

Flux Type

--

--

Activated rosin (AR)

Percent Solid

36%

18%

50%

Percent Halides

--

--

0.44%

Specific Gravity

0.879 ±0.003

0.831 ± 0.005

0.929 ±0.005

Product Characteristics

Designed for thermal stability and superior solderability.

For difficult solder surfaces.

Compliant Specification

IPC/J-STD, ROLO

AJNSI/J-STD-004 ROMI

Residue Removal

5768 Bio-Kleen saponifier at 7-10% solution in hot DI water

Residue is non-corrosive but may be removed with solvent.

Kester Model No.

2331-ZX (1 Gallon)

2120 (1 Gallon)

2235 (1 Gallon)

2220-VF (1 Gallon)

Techni-Tool Part No.

488SO2331

488CH2120

488CH2235

488CH620

Flux Type

Neutral pH, Organic, Water Soluble

Organic, Water soluble

Organic, Water soluble

Organic, Water soluble

Lead-Free Solder

No

No

Yes

Yes

Percent Solids

33%

24%

11%

7%

VOCs (g/liter)

729

670

763

0

Specific Gravity

0.899 ±0.005

0.862 ±0.005

0.856 ±0.005

1.060 ±0.003

Percent Halides

2.2%

Halide -free

1.6%

2.39%

Product Characteristics

Original pH neutral organic flux for automatic wave and drag soldering.

Highly active organic flux for automated wave soldering applications. Halide-free formula produces bright, shiny joints and high ionic cleanliness after water cleaning

Low solids flux designed to help reduce skips on bottom side of surface mount pads.

Thermally stable and VOC-free to allow for effective high temperature soldering. Works with both leaded and lead-free soldering applications.

Compliant Spec

IPC/J-STD-004, ORH1

IPC/J-STD-004, ORH0

IPC/J-STD-004, ORH1

IPC/J-STD-004, ORH1

Residue Removal

Use hot DI water

Use hot DI water

Use hot DI water

Use hot DI water

Kester Thinner Model No.

4662 (1 Gallon)

4662 (1 Gallon)

4662 (1 Gallon)

DI Water

Techni-Tool
Thinner Part No.

488SO466

488SO466

488SO466

--