B45006

ALPHA WIRE

HERAUES SURF 139 FLUSSANTE A BASE ACQUA E ALCOOL

HERAUES SURF 139 FLUSSANTE A BASE ACQUA E ALCOOL 25LT

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B45006

Approfondimento

Heraues SURF 139 Flussante a base acqua e alcool 25lt

Halide-free and VOC-reduced no-clean flux classified as type 2.2.3.A according to DIN-EN 29454-1 (DIN 8511, F-SW23). The Surf 139 contains a solvent mixture of alcohol and pure, deionised water, a contribution to current environmental developments. The European VOCstandards being currently valid demand a reduction of the emission of organic substances into the environment. A VOC-reduced flux should be used when a VOC-free flux is unsuitable due to the application conditions.

Application

The Surf 139 has been developed for applications with foam and spray fluxers. The preheat temperature should be
between 105 and 135° C measured on the component side of the printed circuit board. The increased preheat
temperature is necessary due to the higher evaporation energy of the water. In addition the activation of the flux is
optimised within this temperature range and the preheating of the components can be guaranteed.