corrugated card
usually with a carton board outer layers and a corrugated middle layer, giving the material in the ability to provide protection against impact
bleached card
chemically treated to brighten the surface to make it suitable for high quality printing
mount board
made from compressed fine cotton fibres to produce a rigid board
duplex card
made up of two layers of paper with the exterior often coated to make it more water resistant and to give it a glossy sheen and waxy feel
foil backed and laminated card
card with polymer film or foil applied to either one side or both to provide a water resistant and or heat insulating layer. the foil or laminate layer must be removed before recycling the paper pulp
metal effect card
high quality card with a thin metal effect layer applied to outer surface to enhance aesthetics. it can be embossed
molded paper pulp
recycled paper molded when wet and dried to a specific shape. usually smooth on the visible inside surface and rough textured on the outer surface