4 ms·
AFAIK they aren't even coated in carbon black the HDPE is mixed with carbon black (same as many other black plastics/rubbers) and then formed into the spheres.
by s0rce 7y ago
AFAIK they aren't even coated in carbon black the HDPE is mixed with carbon black (same as many other black plastics/rubbers) and then formed into the spheres.