https://www.avient.com/industries/telecommunications/5g-applications
They are available in black and sand colors, with different special properties such as high impact strength and flame retardancy.
https://www.avient.com/resources/safety-data-sheets?page=7210
LIQUID COLOR TRS BLACK 482-10046-1
https://www.avient.com/resources/safety-data-sheets?page=6368
X Trilliant HC 33162 Si Black
https://www.avient.com/resources/safety-data-sheets?page=6322
LFP925 LFP-925 PRINT BLACK
https://www.avient.com/resources/safety-data-sheets?page=6369
CORE(TM) DB5461 BLACK ELECTRICAL
https://www.avient.com/resources/safety-data-sheets?page=6567
SANTO MILITARY BLACK 443C
https://www.avient.com/resources/safety-data-sheets?page=7089
BLACK PP SM
https://www.avient.com/resources/safety-data-sheets?page=7214
LTD EDT BLACK 923202 GP22 2
https://www.avient.com/resources/safety-data-sheets?page=7216
BLACK CAP
https://www.avient.com/resources/safety-data-sheets?page=7222
ABS BLACK