Armack highly active ZWS soldering liquid 250g

Flux ( 250g ), intended for soft soldering heavily oxidised titanium zinc, galvanised steel sheet and technically pure zinc. ZWS liquid allows fast, reliable soldering through good flow and wetting of the joined surfaces. PZH certification.

Physical state: liquid

Colour: colourless

Odour: characteristic pungent

pH: approx. 3,0 (at 20°C)

Melting/freezing point (for zinc chloride): 282,8°C

Melting/freezing point (for ethylene glycol): -13°C

Melting/freezing point (for 30% hydrochloric acid): -114°C

Initial boiling point and boiling range (for zinc chloride): 732,2°C

Initial boiling point and boiling range (for 30% hydrochloric acid): 85 °C

Flash point: not applicable.

Evaporation rate: no data.

Flammability: non-flammable.

Upper/lower flammability or explosive limit: not applicable.

Vapour pressure (for zinc chloride): 1.33 hPa (428 °C).

Vapour pressure (for ammonium chloride): 0,13 kPa [20°C]

Vapour density (for 30% hydrochloric acid): 127hPa (at 20°C).

Relative density: approx. 1,930 g/cm3

Solubility (for zinc chloride): readily soluble in the following materials: methanol.

Solubility (for 30% hydrochloric acid): completely soluble in water.

Solubility (for ammonium chloride): partially soluble in the following materials:

methanol.

Solubility (for ethylene glycol): Readily soluble in the following materials:

hot water.

Octanol/water partition coefficient: no data.

Auto-ignition temperature: not applicable.

Decomposition temperature: not applicable.

Viscosity: approx. 15 mPa s (at 20°C)

Explosive properties: not applicable.

Oxidising properties: no data.