5.10 Color additives for detection of leaks in the coolant circuit

The following listed fluorescent dyes are approved as additives for coolant without antifreeze for the detection of leaks. Manufacturer Product name Material number Container size Storage stability) Chromatech Inc. D11014 Chromatint X00066947 20 kg 2 years Chromatech Europe Uranine Conc B.V. Table 20: Approved color additives 1) = based on original and hermetically sealed containers in frost-free storage (> 5 °C)

Application:

Approx. 40 g dye must be added to 180 l coolant. This dye quantity is already very generous and must not be exceeded.

The fluorescence (yellow color tone) is easily recognizable in daylight. In dark rooms, UV light can be used with a wave length of 365 nm.