40 grade aa grey paperboard products are offered for sale by suppliers on Alibaba.com, of which paper & paperboards accounts for 95%.
A wide variety of grade aa grey paperboard options are available to you, You can also choose from wood pulp, mixed pulp grade aa grey paperboard,as well as from chemical pulp, chemical-mechanical pulp, and mechanical pulp grade aa grey paperboard,and whether grade aa grey paperboard is offset printing, or digital printing.