Industrial and automotive hoses
In the industrial and automotive hoses sector, 13 (22%) of the 60 measurements are above the TRK value
(Fig. 8). In this production type, three curing methods are used (salt baths, UHF, air oven). Salt baths give the
highest levels of nitrosamines, although not so high as in sealing strip manufacturing. The use of dierent types of
elastomers in the two processes could be an explanation