1, appearance and use: copy paper is a thin and transparent paper, commonly used in printing, copying, packaging, etc., also used to make some temporary documents or envelopes. And Sydney paper is a thicker paper, surface texture, yellowish color, mainly used for making packaging cartons, gift boxes and so on.

2, thickness and strength: copy paper is relatively thin, low strength, easy to tear. Sydney paper is relatively thick, high strength, not easy to tear, more suitable for the production of packaging boxes that require a certain degree of strength.