opal white acrylic sheet Shanghai acrylic(cast) chemical corporation, ... acrylic.Since cover and accessories, graduateddisc of clock and watch, blade of perm, cover of relay; 1960, acrylic ... machine cover and accessories, graduated disc of clock and watch, blade of perm, cover of relay.Aviation electronic ... cultralgoods, handcrafts, decorates, medical and optical trades. opal white colour acrylic sheet