MK OB1

MK OB1 is a high molecular weight optical brightener of the stilbene benzoxazol class, suitable for the optical brightening of the polymers at all stages of processing.

MK OB1 is a highly effective fluorescent whitening agent in a variety of polymer substrates, especially polyester and polyamide fibers as well as polycarbonate, acrylics, styrene homo- and co-polymers including ABS, polyolefins and EVA.