... fade and no radiation 1-3mm ,1-3.5mm Safety-Color Ceramic AggregatesUse:They are for highways, airports, airport runway, ... and environmental decay resistance, no radiation, low water absorption, bright color, high-grade appearance, never fade, hard solid, long life and ... :For irregular granular appearanceSize1-3.5mm or 1-3.0mm Color:green , yellow , red , Packing25 kgs per plastic woven bag or paper ...