Ngwakọta asphalt pigmenti

Compound Asphalt Pigment Ihe a na-akpọ pavement asphalt acha acha na-ezo aka na ịgwakọta na ịgwakọta asphalt nwere agba agba dị iche iche, pigmenti na ihe mgbakwunye n'otu okpomọkụ, mgbe ahụ enwere ike ịkwadebe ya n'ụdị dị iche iche.