My digital prints are printed with UltraChrom K3-ink by an Epson Stylus Pro 4800 during January 2007 until the end of 2016. From the beginning of 2016 the large sized works are printed on an Epson Stylus Pro 7800 with UltraChrome K3-Ink. Since the beginning of the year 2017 the small sized works are printed on an Epson Stylus Pro 4900 with UltraChrome HDR-Ink.
The materials I use for my prints are:
Epson Enhanced Matte Paper
Hahnemühle Photo Rag
Epson Water Resistant Matte Canvas or other Quality-Canvas
Canon Drop Paper
GoDirect Flag Textile Outdoor
Enhanced Matte Posterboard
or Japanese Paper.
Info by Epson concerning the ink (in German):
Info about their material by Epson:
Epson informed lately that their materials (the above mentioned ones) printed with UltraChrome K3-Tinte and stored under glass will be prevented from fading between 75 and 108 years, if the prints are not exposed to the sun.