Shipment volume of carbon black rose 6.1 percent year-on-year to 52,479 tons in March, the third straight month of positive growth, according to records compiled by the Japanese Carbon Black Association. Total shipment for rubber use rose 6.8 percent year-on-year, up for the third straight month, at 49,270 tons. Although shipments for tire use were up 11 percent, shipments for…