GB1169416678104900010
GROUND AND POLISHED SHEETS OF MAGNESIUM ALLOY, NOT EXCEEDING 150MM X 2000MM, COATED ON ONE SIDE WITH AN EPOXY RESIN INSENSITIVE TO LIGHT.
THE ALLOY IS COMPOSED OF APPROXIMATELY 3 PERCENT ALUMINIUM AND 1 PERCENT ZINC. USED IN THE PRODUCTION OF PHOTOENGRAVING PLATES.