257 450gsm black cardboard paper products are offered for sale by suppliers on Alibaba.com, of which paper & paperboards accounts for 15%.
A wide variety of 450gsm black cardboard paper options are available to you, such as craft, fur and photo frame.You can also choose from wood pulp, mixed pulp 450gsm black cardboard paper,as well as from chemical pulp, chemical-mechanical pulp, and mechanical pulp 450gsm black cardboard paper, and whether 450gsm black cardboard paper is gravure printing, offset printing, or digital printing.